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Katla Ice Cave – Ultimate Guide

4 minute read

By Camila Contreras-Langlois

14 October 2022

Located on the south coast of Iceland, next to an active volcano, Katla ice cave is a huge and ancient natural-carved wonder. You won’t want to miss the chance to check it out on your trip to Iceland.

Book an Iceland ice cave package to explore it and see the country’s glaciers, mountains, and volcanoes up close.

Or, if you’re touring around the south of Iceland, set aside a day for exploring the ice cave by the Katla volcano. You won’t regret taking the time to wander inside this frozen spectacle!

Below you’ll find local tips and answers to frequently asked questions to plan your visit.

Where is the Katla ice cave located?

You can best access Katla from the Icelandic town of Vík, which is a 2.5-hour’s drive from the capital Reykjavík, or 187 km (116 mi). You can hire a car as part of a winter self-drive tour , or guided trips are available.

Many ice caving tours have their meeting point in Vík , ready to take you onward to the glacier and the volcano. From Vík, you can explore other sights of South Iceland , such as the famous ‘Diamond Beach’, a black sand beach dotted with icebergs.

• Related: Your guide to exploring Diamond Beach .

Katla is actually the name of the volcano under the Kötlujökull glacier, where the Katla ice cave is located. Kötlujökull is an offshoot of the larger Mýrdalsjökull glacier, which is Iceland’s 4th largest glacier. 

The ice cave is underground and requires a hike and descent into it, but with a good glacier guide, you’ll have no problem exploring.

Is the Katla ice cave natural?

The Katla ice cave is a completely natural structure, despite its otherworldly appearance. 

Approaching the Kötlujökull glacier, you’ll notice the ice is black due to layers of volcanic ash. Once you enter the Katla ice cave, you can see the black ash encased in ice from hundreds of years of eruptions.

As you move through the ice cave, you can see the older blue ice layers, along with trapped air bubbles. The volcanic ash helps to date the glacier as well as create the amazing black ice striped with layers of sediment. 

The formations in the caves have long been called ‘dragon glass’. The black ash ice looks very much like the black stone obsidian, so you can see the resemblance and how the ice formations got their nickname. 

Some steps have been carved into the glacier ice to help tour groups access it more easily and safely. Apart from that, the ice cave is completely natural. 

• Related: A guide to ice and lava caves in Iceland and about local glaciers .

Is the Katla volcano active? 

Katla, the volcano which is covered by the Mýrdalsjökull glacier , is indeed an active volcano. However, there’s no need to worry about this on an ice cave tour.

It last erupted in 1918, and since the year 920 AD, only 20 eruptions have been recorded. It’s very safe for day tours to attend with an experienced glacier guide on hand.

• Learn more about Iceland’s natural landscape .

How long do I need for the Katla ice cave tour?

A typical ice cave tour here takes around 3 hours. You need to take into consideration time for the following:

• Driving from the meeting point in Vík to the drop-off point (typically around 45 minutes)
• Equipping yourself with the right gear (hiking boots and glacier crampons, additional layers of warm clothing, torches)
• A short hike across the glacier and up to the entrance of the ice cave
• Time to explore the ice cave!

Inside, you can explore the oldest part of the ice cave, which is the clear blue ice, as well as the dragon glass caves and tunnels. Some glacier tours offer the chance to sample the Icelandic national spirit brennivín with ice from the cave itself. 

Surrounding the Katla ice cave are other smaller ice caves in the glacier. You might be able to explore these if it’s the right season and the guides can advise if they are safe.

If you want to visit the Katla ice cave from Reykjavík, you’ll need to allow additional travel time of around 2.5 to 3 hours. 

• Browse Iceland multi-day tours to explore the countryside from a base in Reykjavík.
• Related: How many days do you need to visit Iceland in winter?

Can I go to Katla ice cave alone?

It is not recommended that you go to the Katla ice cave alone. There are many changing factors including:

• Stability of the ice
• Temperature
• Daylight available
• Volcanic activity

Only experienced glacier guides will be able to know the safety of the cave on a day-to-day basis.

You also need to be properly equipped with caving equipment and a suitable vehicle to reach the cave. Proper hiking shoes, waterproof and warm clothing, crampons, and more are all needed to explore safely and comfortably.

There are many guided tours of the glacier and ice cave available, so you’ll be sure to find one that suits the level of adventure you’re after. 

• Related: Must-see attractions in Iceland in winter .

Can you drive to Katla ice cave?

Driving to Katla ice cave is only safe in a special all-terrain 4×4 vehicle. These super jeeps are equipped with rugged tires and tough suspension and can be driven over sand, ice, and rock. 

Super jeeps are not typically available for private rental and are used by licensed tour guides.

When booking a day tour to Katla with a glacier guide, you will usually be collected from a meeting point in a super jeep. The drive to Katla takes around 45 minutes and crosses sandy volcanic ash plains, as well as wet and icy conditions. 

Normal rental cars are not designed to handle this kind of terrain. We highly recommend always choosing an ice caving tour to explore Katla safely with the expertise of local guides. 

If you are vacationing in Iceland as part of a self-drive tour or private guided tour, you could stop in Vík. This is the most common meeting point for ice cave tours. You can leave your rental car at the hotel and hop into a super jeep for the day.

• You could also pick a northern lights trip in Iceland .
• Related: How to pack for a winter vacation to Iceland .

When is the best time to visit Katla?

You can visit Katla anytime throughout the year. That said, because it is an ice cave, you’re best off visiting in the winter. This way your guides will be able to show you the magic of Iceland at this time of year! 

You’ll also be able to explore more of the cave if you visit between October and March . You could also have the chance to see other natural ice caves that only form in the colder season. Guides will be able to advise on which caves are best to visit.

• Check out winter vacations in Iceland .
• Related: When is the best time to visit Iceland?

Is the Katla ice cave worth it?

Exploring the glacier tunnels of Katla ice cave is an incredible experience. You’ll be able to see the ice sparkling and glittering and spot ancient ask trapped in. From the black dragon glass to the ancient blue ice, the glacier is full of wonders.

You’re sure to have a memorable experience standing in the heart of the Kötlujökull glacier, on top of an active volcano. A glacier hike through the cave gives you the chance to get up close and personal with the forces of nature that shape and define Iceland. 

Even the drive over in the super jeep gives you amazing views of the volcanic landscape that surrounds the glacier!

If you want an adventure and are keen to try something a little challenging and different, the Katla ice cave is definitely worth it. Book your trip with Iceland Tours today with as little as a 5% deposit.

• Ice caves ,
• Travel advice

About the author

Camila first travelled to Iceland in 2018 and it didn’t take long for her to fall in love with its culture, food and scenery. Throughout her life, she’s had the pleasure to live in different cultures and languages and absorb as much as possible from all her travels. You’re most likely to find her reading a good book in a local café or writing about the best spots to visit for top travel agencies.

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The Katla Ice Cave Honest Review: Risky But Worth It

Posted on Published: August 11, 2023  - Last updated: February 27, 2024

Categories Iceland , Travel

The Katla Ice Cave in Iceland is a relatively new attraction that could also be gone tomorrow.

It’s one of the best things we did, not only in Iceland , but quite possibly ever!

And it’s also one of the most terrifying things we’ve done.

Needless to say, we’re happy we did it, but in retrospect, we probably shouldn’t have… Here are some things I wish I knew before heading out on this crazy Iceland ice cave adventure!

Psst! This blog post contains affiliate links in it which sends me a bit of extra money if you use them… at no extra cost to you!

What Is The Katla Ice Cave?

The Katla ice cave is in the Kötlujökull glacier (which is from the Mýrdalsjökull glacier, fourth largest in Iceland!).

And the Kötlujökull glacier conveniently sits ON TOP of the Katla volcano !

So, Katla is actually subglacial volcano. And it used to erupt every 40-80 or so years. By the way, the last time it erupted was in 1918… let’s just say we’re over due for an eruption .

Because the glacier sits above an active volcano, the lava erupts into glacier ice and then turns into ash. The ash then falls and becomes compressed by ice.

So you end up with these beautiful blue and black layers of ice.

Now, as the glacier is melting, it forms these beautiful ice caves that are filled layers of ice and ash.

P.S. the Katla volcano is also why you get the black sand and dirt in the South of Iceland.

You might also be interested in reading…

• 10 Easy Day Trips From Reykjavik In Iceland

The Cave Is Constantly Changing – It’s Always A New Experience

Glaciers are always melting, which means, this Iceland ice cave is constantly changing.

The Kötlujökull glacier recedes about 35 m a year . To put that into perspective, when they started this Iceland ice cave tour in 2019, the cave started at the parking lot. Now it’s about a 10 minute walk away.

This also makes every visit to the Katla ice cave a very unique and completely different experience .

My sister visited in May, and by the time we went in July, half of her cave was gone. We visited a much shorter cave, but we also saw the beginning of the new one starting to form (with a beautifully waterfall!).

Our guide mentioned that by the end of the summer, our cave would no longer exist (we visited in mid July!). Our cave was the 10th cave since they started taking tour group there 4 years ago!

Do You Need A Tour Group To Visit The Katla Ice Caves?

Technically no. The Katla ice caves are completely open to the public and free to access .

But should you go on an organized tour, yes .

Not to worry though, there are several organized tours that take you to the Katla Ice Cave, like these on Viator.

Viator offers both options whether you’re staying in Reykjavik , you can go on a full day tour like this one on Viator. Or if you’re already in Vik , you can opt for a half day tour like this one on Viator .

Viator Tours To The Katla Ice Cave

You should really book an organized tour to visit the Katla Ice Cave. Viator offers a few options leaving from either Reykjavik or Vik.

Book a full day tour from Reykjavik →

Book a half day tour from Vik →

For more organized Iceland Ice Cave Tours, click here .

It’s All Around Safer To Go On An Iceland Ice Cave Tour…

There are several benefits to going with a tour group, but it all boils down to safety.

First, they make sure the Katla ice cave is even safe to visit that day. Remember, this is an active volcano and melting glacier after all.

They remove any part of the cave that is deemed unsafe and change the path if they need to.

Then there’s the drive over – which also isn’t simple. You will be driving on unmarked F roads and potentially through a river (we did!).

They also guide you through the ice cave itself – literally building us a new path and stairs on the way. I guess the old ones melted away before we got there!

And finally, they provide you with the necessary crampons to walk on the ice. Plus as a bonus, you get all the information and history of the Katla volcano in Iceland.

All around, the Katla ice cave is already dangerous to visit, so make it a tad safer for yourself by taking an organized tour.

If You Still Decide To Go Without A Tour…

If you still decide to go on your own to the Katla Ice Cave, they ask that you give the tour companies a call in advance letting them know when you’re going and how many people you’re going to be.

Because this is a small, and very fickle environment, they want to ensure the safety of everyone going.

What If The Katla Volcano Erupts When You’re There?

This is another one of the benefits of booking a tour group to the Katla ice caves.

They are tracking the volcano, so it’s most likely that they will know way before you’re going if the volcano is about to erupt .

For example, there tends to be earthquakes in the area before an eruption.

And worst case, as our tour guide informed us, if it were to erupt while we were there, you would have about an hour to get out of the vicinity!

If it were to erupt, they’re actually most worried about a flooding over anything else. Because it’s a subglacial volcano, it would just melt all the ice and the water needs somewhere to go…

Glacier Tours In Iceland To The Katla Ice Cave

We booked our tour with Arctic Adventures a few weeks in advance (see their website here ). It’s the same tour as Southcoast Adventures, which I think is the main company.

Would I recommend them, not necessarily. But I don’t know if another tour company would be any better…

The way our tour guide described it is that all the tour companies are affiliated. They all manage the cave together and then bring tour groups here. So, if you want to visit the Katla Ice Caves, you don’t have that many options.

And in the end, I actually really liked our guide. He knew what he was doing and entertained all my questions and fears about what we were doing!

You can also book the tour through Viator here .

Where Do The Tours Leave From?

Tours to the ice cave leave from both Reykjavik or Vik .

If you choose to leave from Reykjavik, most tours will stop at Skogafoss and Seljalandsfoss waterfalls (timing permitting).

How Long Is The Ice Cave Tour?

The tour ranges between 3 and 11 hours (depending on if you’re leaving from Reykjavik or Vik).

From Vik, you have 45 minute drive (in the super jeep) to the ice cave. Once you’re there, you have about an hour at the caves itself, and then you have the drive back.

If you’re leaving from Reykjavik, you have to add about 5 hours of driving alone just to get to Vik.

Who Can Go To Katla Ice Cave?

We saw people of all ages at the Katla ice cave. From young to old.

Technically, the minimum age is 6 years old to go on the tour.

Just because the tour is open to all ages, doesn’t mean all ages should actually go.

You are walking on small bridges, wearing crampons to walk on literal ice… I would say, if you’re traveling with young kids, this is NOT for you.

The same should be said if you’re older and not as mobile, this is also NOT for you.

I was scared doing this in my late twenties…

What To Know Before Booking The Katla Ice Cave Tour

These are some of the issues we encountered on our tour and from talking with our guide.

As I mentioned though, the safest way to visit the caves is still with a tour group. But it is good to know what you’re getting yourself into beforehand, so there are no surprises .

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Overbooking Issues…

We did have an issue with our group that’s more common than we initially thought (after reading some more Google reviews…).

They actually overbooked our tour and two people had to join a later group.

This can be a non issue if you’re spending the day in Vik. But if that were us, it would have destroyed the rest of our day.

Be Prepared For A Longer Tour

Perhaps the bigger problem with the tour (that they never mention when booking) is that it can easily be way longer than 3 hours .

The tour timing is very weather dependant. If it’s snowing, or even if there’s a lot of wind, the tour can be a lot longer. Our guide was saying that tours can take upwards of 4, 5, even 8 hours!

Obviously, this can really affect any plans you might have for that day as well.

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My  digital travel planner template  has everything you need to plan your vacation: research templates, travel planner itinerary, travel budget templates…etc. . You can print it out or use it digitally on your phone, tablet, or computer.

Be Prepared To Never Even Make It To The Caves

As I said, the tour is very weather dependant but they rarely actually cancel tours.

When talking with our guide, he mentioned that in the year and half that he’s been working, they’ve only had to cancel one tour.

Now here’s the caveat…

They don’t cancel, but they also might never make it to the caves… and they don’t give you a refund.

Despite having bad weather, they would rather try to make it to the caves and fail than not try at all.

Our guide was telling us that once they went out in the winter and it ended up being an 8 hour day … stuck in the car. They just got stuck on the F Road and it took them 8 hours to get back to Vik…. never having made it to the cave.

Of course, I would like to remind you this is an extreme case, but just to know that it can happen!

Also, Don’t Do What We Did…

As I said, tours leave from either Reykjavik or Vik.

We were staying in Reykjavik for our entire stay while in Iceland. But instead of booking the tour that left from Reykjavik, we booked the tour from Vik.

It is cheaper, and we felt we had more control over our day this way. We spent the morning in Vik and afternoon stopping and driving back to Reykjavik.

But we also didn’t realize how fickle the Katla ice cave tour actually was…

In retrospect, this was a terrible plan.

Either stay one night in Vik if you want the flexibility. Or book the tour that leaves from Reykjavik ( like this one here )!

P.S. Need A Place To Stay In Vik!?

My sister stayed at The Barn (I just love the name!). It’s a hostel just outside the city of Vik with shared rooms, bathrooms, and even a kitchen! Check updated prices and availability here .

If you’re interested in a hotel, and staying in the city itself, check out Hótel Kría ( see it on Booking.com ). I highly recommend booking a room with the mountain view with those floor to ceiling windows! Check updated prices and availability here .

Click here for more hotel options in Vik, Iceland

What To Expect On The Tour

Here are some extra things to know about the Katla Ice Cave tour!

A Bumpy Ride To The Cave

The reason the tour doesn’t meet at the ice caves is because the drive isn’t exactly easy to access.

They take you in a Super Jeep – an insane Jeep with crazy ground clearance that could drive through anything… and I mean anything!

The ride to the Katla Ice Cave is an adventure and an experience on it’s own, even during the summer months.

As I mentioned, on a good summer day the drive is about 45 minutes from Vik to the caves. It’s two thirds of the tour !

And in worse weather conditions, it can be even longer.

You start on the main highway, but then you quickly diverge onto the old ring road (that they used until 1996!)… which is a simple dirt path.

That’s no problem, until you then turn off of that road and end up on no road at all. It’s just dirt all around you . And the crazy bumpy ride begins!

There’s no markings, and zero defined path. You would definitely get lost if you were driving here alone. At one point, we even had to drive through a little river.

There Are NO Bathrooms At The Cave

Well, I guess the bathroom is all around you!

If you’re leaving from Vik, make sure to go to the bathroom at the meeting point (at the Ice Cave Bistro there are public washrooms).

Otherwise, there’s not even at outhouse at the parking lot for the cave.

It’s just you in nature after that point!

This Is One Of The Most Terrifying Things I’ve Done…

We did this cave tour as per a recommendation from my sister. I am probably the least risk seeking person, especially while travelling.

While I do enjoy adventures and new experiences, I don’t like being in dangerous situations.

I was not expecting the caves to be what they were….

You are walking on ice – granted with crampons, but still. It’s not a very wide path. And at least when we were there, it was quite a drop into the water below.

Then you have to cross from one ice island to another via a thin wood bridge … with no railing. There was a wet rope you can grab onto… although I’m not sure how much it will actually do…

The bridges are also completely sopped from the melting ice, and destroyed from people walking on them with crampons.

Let’s just say, some of the bridges we walked on definitely sagged a bit… I was not happy.

And, when you make it to the other side of the cave, you still have to walk back the same way you came from…

And all this while the volcano might erupt underneath you! Woohoo!

But It’s Also One Of The Most Incredible Things I’ve Done…

I’m sorry to say that it was also one of the most incredible things I’ve done, possibly ever.

I’m so happy I did it ( but I’m also so happy I made it back and I don’t have to ever do it again! ).

This doesn’t exist anywhere else in the world and it’s one of the most beautiful things I’ve seen. Where else would you have ash layered ice!?

Secret Option Visiting The Ice Cave: Enjoy It From Far!

If you’re on the edge of booking the Katla Ice Cave tour because you’re scared, there might be another option for you.

Now, this might not work for the cave you’ll be visiting, but it would have worked for ours.

You were able to see our entire cave without walking on any sketchy bridge. Maybe you had to walk on a bit of ice, but it wasn’t nearly as narrow as it gets.

So, technically, if you’re scared, you can walk right up to the entrance and then not go any further. This way you get to see the beauty of the cave, have the fun of driving on an F road in Iceland, and not risk much!

What To Bring To The Ice Caves?

They recommend bringing warm and waterproof clothes (you are going to an ice cave after all!).

When we visited, we had very good weather and they said it was pretty dry. We did wear our rain jackets (and I’m happy we did)! But we didn’t need to put on our rain pants (we still brought them just in case).

I also recommend waterproof hiking boots (like these on Amazon – they’re my favourite!).

My Katla Amazon Essentials

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Extras To Bring To The Ice Cave!

Some other items that can be overlooked but you might want to bring are a hat, gloves, and waterproof phone bag .

A hat is good to stay warm but also to wear under the helmet they give you. Make sure it’s thin enough though so it will fit! I love this thin merino wool hat from Decathlon – check it out here .

I also ordered the matching gloves as well (which are great for travel). But, for the ice cave I wish I had waterproof gloves. I said, the ropes are WET and you’ll want to grab on to them every chance you get! You can check out these water resistant gloves on Amazon instead .

The waterproof phone bag actually serves two purposes here. First, it will come in handy to protect your phone from the dripping water.

But, the better reason is that it keeps your phone attached to you at all times. Let’s just say you’ll want to take photos, but if you drop your phone it’s most likely gone forever! Check out the waterproof phone bag on Amazon here .

You might also be interested in…

My digital and printable packing guide on Etsy . Filled with packing planning prompts for your next trip!

Remember! Your Experience Can Be Completely Different From Mine

Not only will the cave look different. But depending on when you visit in the progression of the cave, you can also get a different experience.

We were walking on bridges above a stream of water that was carving out the ice. But, apparently, the ice islands started off even higher. They keep having to lower the bridges as the ice melts.

So perhaps you area walking higher up or even be lower down (which would be way less scary!).

Visiting In The Winter Is Also A Different Experience

The winter (if you make it there) is also a completely different experience (from what I’m told!).

For starters, there’s way less sunlight. Our guide was telling us that they come every morning to put up little fairy lights for people to see. He said this makes the cave really quite magical !

He also mentioned that you can also walk on the ground in the winter because the water is frozen (so no sketchy bridges!).

But as I mentioned, the tours usually last a lot longer in the winter as well. You’re usually spending a lot longer driving to get to the cave.

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KATLA VOLCANO

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How to experience Iceland’s magnificent Katla volcano

The history of the katla volcano: eruptions and more.

You’ll often hear Katla referred to as the most dangerous volcano in Iceland.

In some ways, that’s fair. The volcano is immensely powerful, and an eruption is thought to be imminent. But Katla hasn’t proven itself to be so deadly. In fact, there are no records of fatalities resulting from its eruptions—no matter how powerful and frequent they might be.

Katla erupts every 40 to 80 years on average, although not all of these are major events. In 2011, for example, a minor eruption is thought to have occurred beneath the Mýrdalsjökull glacier. It melted some of the ice, causing a glacial flood in the Múlakvísl river, which swept away a small bridge. No one was hurt.

Major eruptions are much less frequent. There have been only 20 major eruptions recorded in the last 5,000 years, the last being in 1918. During this latest event, molten rock caused the glacier to melt. The mixture of water, dust, and ash extended the land of Iceland by about five kilometres out to sea. Again, no one was hurt.

Now, in recent years, another eruption has been expected. In 2016 and 2017, small earthquakes were recorded at the volcano, in a sign that something was going on. What’s more, scientists have noted that every time Eyjafjallajökull erupts, Katla doesn’t wait too long to erupt either. Eyjafjallajökull erupted in 2010—you may remember it—suggesting more activity is on its way.

That said, Katla is perfectly safe to visit. It’s monitored at all times for tremors and minor eruptions, so if something big is about to happen, we’ll know about it before it does. The only thing to be aware of is that that’s expected fairly soon.

How to visit the Katla volcano

As we said, the Katla volcano and its surroundings are perfectly safe to visit. It’s something you shouldn’t miss on a trip to Iceland.

Katla is situated at the heart of Iceland’s south coast, partially covered by the glacier known as Mýrdalsjökull. You can see this glacier from Route 1, Iceland’s Ring Road, or from the small fishing village of Vík. In fact, it’s visible from most of the drive along the south coast.

There are many ways to get closer to this famed volcano. Whether you want to see Katla on a hike, a snowmobile, or on an ice cave adventure, there’s something here for everyone.

One of the most popular ways to visit Katla is on a glacier hike. Starting from the Sólheimajökull base camp—next to the Sólheimajökull glacier, an offshoot of Mýrdalsjökull, you can hike up to a series of panoramic points. You’ll see Eyjafjallajökull and, of course, the mighty Katla.

Alternatively, explore Mýrdalsjökull on a snowmobile. Mýrdalsjökull is the glacier that covers part of the Katla volcano—and it typically cracks and partially melts when the volcano erupts. The rest of the time, as Iceland’s fourth largest glacier, it’s a gorgeous icy expanse stretching far into the distance.

You’ll ride across the ice and explore the breathtaking forms of this active volcanic landscape. You won’t get views like this anywhere else.

If you’re feeling adventurous, why not explore beneath the ice too? The Katla volcano ice cave is a natural cave in the Kötlujökull glacier, another offshoot of Mýrdalsjökull. It’s known for being one of the few caves in Iceland that can be visited all year round. Visit to get a different perspective on this mighty volcano.

Other things to see around Katla

The Katla volcano is at the heart of southern Iceland. It’s also the centrepiece of the Katla UNESCO Global Geopark, an area of global importance thanks to its very special geographic assets.

That means there’s plenty to see in the area, from other volcanoes to glaciers, and even beaches made of black sand.

For instance, the Geopark is home to one of the most geothermally active areas in Iceland. You’ll find the notorious volcanoes, Eyjafjallajökull, Grímsvötn, Lakagígar, and Eldgjá, in the region, alongside Katla itself. Volcanic landforms such as black-sand plains and lava flows are difficult to find anywhere else. It’s well worth exploring this area on an all-terrain vehicle tour.

Alternatively, visit the area between Eyjafjallajökull and Mýrdalsjökull to see the impact that volcanoes can have. Take the Fimmvörðuháls hiking route, for example, between Þórsmörk and Skógar, to see the craters formed in the 2010 eruption.

While you’re in the area, make sure you stop to see the immense waterfalls that are dotted along this part of the coast. Skógafoss and Seljalandsfoss are two of the most impressive.

Finally, don’t miss Vík, the village that lives in the shadow of Katla. With its lively atmosphere and the nearby Reynisfjara—the famous black-sand beach—it’s a must-visit on the south coast.

All about Katla Volcano

Can you enter katla ice cave without a tour.

You should never enter an ice cave without a guide. Ice caves are delicate and volatile spaces that are very sensitive to changes in temperature and weather conditions. They’re simply not safe if you are not familiar with the local environment.

That’s what tour guides are for. Equipped with local knowledge of the changing conditions, they’ll ensure the caves are safe to enter.

What is the deadliest volcano in Iceland?

Katla is known as one of the most dangerous volcanoes in Iceland. In fact, scientists are continually warning that an eruption is due soon—and that it could be deadly.

But it’s not just Katla that poses a threat to Icelanders and potentially to the wider world. The Katla volcano system also includes Laki, the volcano which erupted in 1784 to catastrophic effect across Europe.

Together, they’re a pretty deadly team. And only time will tell when they’ll next erupt.

What does Katla mean in Iceland?

The name Katla in Icelandic translates to “kettle” or “cauldron”. It’s not hard to guess why!

Is the Katla area a UNESCO site?

The Katla UNESCO Global Geopark is home to the volcano that gives it its name. The Geopark stretches from Hvolsvöllur to the west of the volcano to Skeiðarárjökull, a glacier that makes up part of the Vatnajökull ice cap, Europe’s largest.

The reason Katla and the surrounding area have been named as a UNESCO site is its volcanic activity. Aside from Katla, one of Iceland’s most potentially dangerous volcanoes, Eyjafjallajökull, Grímsvötn, Lakagígar, and Eldgjá are also included in this park.

Is Katla ice cave open year-round?

The Katla ice cave is one of the very few ice caves in Iceland that is open to the public all year round. Like other caves, Katla’s will change shape throughout the season, but the cave itself remains.

That said, the ice cave is best seen in winter. This is the season when you’ll be most in the mood to visit this frozen sight!

Is Katla a real volcano?

Katla is very much a real volcano. In fact, it’s one of Iceland’s biggest. You’ll find it along the south coast of Iceland, half covered by the glacier known as Mýrdalsjökull.

While it hasn’t erupted since 1918, it’s still classed as an active volcano. There have been about 20 major eruptions in the last 5,000 years—as well as lots of smaller ones—and another eruption is thought to be not far away.

Recent eruptions of Katla have typically been preceded by an eruption of Eyjafjallajökull, the volcano next door. If you remember, that volcano erupted in 2010.

What is the folklore of Katla?

There is a story of how Katla got its name.

Back in the 12th century, there was a monastery at Þykkvabæjarklaustur, not far from the volcano. In the abbey, there was a housekeeper, Katla, who was rumoured to be a witch due to her horrible temper. Alongside her temper, she was known for having a pair of magic trousers, which allowed whoever wore them to run incredibly fast without getting tired.

One day, Katla and the abbot of the monastery were out on a visit. Katla had told a young shepherd boy, Barði, to make sure that all the sheep were rounded up by the time they returned. But he couldn’t find them, so stole Katla’s trousers to track them down as quickly as possible.

Discovering that Barði had stolen her trousers, Katla drowned him in a vat of whey. But soon she feared being found out. And so she put on her magic trousers and ran up to the Mýrdalsjökull and threw herself into a canyon. Immediately, the volcano erupted, flooding the south coast with water.

The volcano has been known by Katla’s name ever since.

What would happen if Katla erupts?

Past eruptions of Katla have been fairly major events. While it’s not certain that another eruption would be so large, Icelandic authorities have been preparing for a long time.

For example, back in 1918, the year of Katla’s last major eruption, the landscape of southern Iceland was changed dramatically. Sand and ash from the volcano mixed with water from the melting glacier to extend the south coast by as much as five kilometres. Luckily, no one was hurt.

Then, in 2011, after Eyjafjallajökull erupted, Katla awoke momentarily to spit out magma beneath the Mýrdalsjökull glacier. This caused a glacial flood that swept away a bridge. It’s this flooding that is the biggest risk of Katla’s eruptions. As the volcano sits beneath a glacier, it’s very likely that it will cause the ice to melt—and the threat of flash flooding is very real. Luckily, though, the Icelandic authorities are prepared for it.

No one quite knows how large the eruption will be if Katla erupts again soon. Like the Eyjafjallajökull of 2010, it’s likely that it will disrupt air traffic—at the very least.

Is Katla a supervolcano?

Katla is not a supervolcano. Supervolcanoes are volcanoes whose eruptions are expected to have catastrophic effects on the global climate. Katla is not expected to do this.

Scientists measure the effects of volcanic eruptions using the Volcano Explosivity Index (VEI). To be classified as a supervolcano, eruptions need to be at level 8 on the scale. However, Katla has only reached VEI 4 and 5 in the past.

Taupo in New Zealand, which erupted over 22,000 years ago, is the last supervolcano to have erupted.

Is the Katla Ice Cave tour worth it?

The Katla ice cave is a natural and ancient ice cave beneath the Kötlujökull glacier, an offshoot of the larger Mýrdalsjökull. It’s an incredible opportunity to see the otherworldly patterns of ice beneath the surface.

Is Katla due to erupt?

When Katla has erupted in the past, this activity has been preceded by an eruption of Eyjafjallajökull. Of course, Eyjafjallajökull erupted in 2010—and that’s one of the main reasons why many scientists think that Katla is due to erupt quite soon.

However, volcanoes don’t always follow the script, so we’ll have to wait and see. What we do know though is that Katla is an active volcano, so could potentially erupt at any moment.

Do people live near Katla volcano?

The Katla volcano is at the heart of the south coast of Iceland. It’s not far from many villages and settlements.

For example, the fishing village—and popular visitor destination—Vík í Mýrdal is very close to the volcano. It has a population of about 750.

How often does Katla erupt?

Katla typically has a small eruption every 40 to 80 years. For example, the last one was in 2011, when magma beneath the Mýrdalsjökull glacier caused the ice to melt and flood the local area.

However, they’re not often major eruptions. Larger eruptions have happened 20 times in the last 5,000 years. We’re expecting another one soon.

Can you visit Katla volcano?

While Katla itself is buried beneath the Mýrdalsjökull glacier, you can easily visit the surrounding area. One of the best ways to do that is to tour the glacier.

For example, you can take a snowmobile to see the extraordinary views and landscapes that surround the volcano. Or explore on foot, to visit the breathtaking area at your own pace.

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Fagradalsfjall

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Katla Ice Cave Tour in Iceland

Incredible ice cave and glacier adventure tour.

Tour description

Experience the magic of Iceland! The Katla Ice Cave Tour in Iceland brings you on an excursion to the ice caves, blue glaciers, black sand beaches, world-famous sights, and so much more. Explore Iceland’s landscape by jeep and by foot on this unforgettable guided tour.

3 – 4 hours

Availability

All year round, based on condition

2 – 12 persons per guide

The minimum age for this tour is 12 years old

Difficulty level

Licensed ice cave guide, super jeep transport & all required glacier safety equipment.

What to bring

Warm clothing (according to the weather), hat, and gloves. Hiking shoes or snow boots (required). 

Keep in mind

This tour might not be suitable for people who are sensitive to motion sickness, or suffer from a back injury. More details on this can be found in our FAQ section below.

Tour Highlights

• Stops at 1-2 Natural Ice Caves based on the conditions of the glacier
• Adventurous Super Jeep Excursion
• Experienced Local Guides
• Off-the-Beaten-Path Experience
• Small Tour Group
• Visit to Private Black Sand Beach
• Hike through unique glacier area.

Depart from Vík

Meeting location.

ABOUT THE KATLA ICE CAVE TOUR IN ICELAND

Looking for the best ice cave tour in Iceland? Get ready for an unforgettable experience with our unique Katla Ice Cave Tour and Glacier Excursion.

You’ll experience many natural wonders on our ice cave tour, including an ice cave in 800-year-old Katla glacier with black, white, and blue ice, a visit to a private black sand beach where you would be all alone without crowds, and a super jeep ride through iconic film set locations. There’s never a dull moment, so expect to see many more exciting highlights along the way!

OFF-THE-BEATEN-PATH ADVENTURE

This is no ordinary sightseeing tour! Our trusted local glacier guides will take you well beyond the usual tourist spots and show you pure Iceland – a magnificent side of Iceland’s nature that very few visitors will ever experience!

At Katlatrack, we pride ourselves on offering a truly offbeat experience that shows you the real Iceland rather than the overrun tourist hot spots. South Iceland is home to some of the most magnificent scenery that Iceland can offer, and it is also our home. Our local knowledge makes us one of the only tour companies who can offer Iceland ice cave tours all year round. 

EXPERIENCED LOCAL GUIDES

As locals, we are fiercely proud of our home, and we love to share the story of our landscape, its history, its hidden gems, and its fascinating tales! We also appreciate how unpredictable and potentially how dangerous this landscape can be. Each and every Katlatrack guide is both highly trained and highly experienced in all weather conditions – both on the road and inside the ice caves.  

As locals, we know this landscape inside out, and we can easily switch to a ‘Plan B’ location if the current conditions are unfavourable or unsafe in any way. We also reserve the right to cancel the tour if the conditions are simply too dangerous. Your safety comes first at all times!

ONCE IN A LIFETIME EXPERIENCE

This is not an adventure for those who are claustrophobic (or scared of the dark!), but it is most certainly a once in a lifetime experience for those who have endless curiosity and the desire for exploration running through their veins! 

We can’t wait to show you Iceland our way, so pack your warmest winter layers, your camera and your snow boots or hiking shoes and book this tour today. We’ve saved a seat in the jeep for you!

SCHEDULE – ICELAND ICE CAVE DAY TOUR

Our day begins at the katlatrack meeting point in vik..

From here, our small group will climb into the super jeep and head high up into the mountains for an exhilarating ride towards the glacier. Along the way, you’ll get to admire the distinctive green mountains and many other spectacular sights, tones, and textures as we make our way through the glaciers and ice formations.

The first stop is at the front of Kötlujökull – the Katla outlet glacier.

Kötlujökull is actually part of the famous Mýrdalsjökull glacier – the fourth largest glacier in Iceland. Your safety is paramount at all times on a Katlatrack tour, so we will pause here and your glacier guide will fit you up with some loan equipment (a helmet, headlamp, and crampons) and provide you with a full safety briefing.

From here, it’s a fun short (20-25 minutes based on the weather conditions) glacier hike across the ice to explore your natural ice cave!

You’ll marvel at the magnificent colours and textures inside the ice cave, and the crazy shapes and crystal ice will leave you in awe. Your Katlatrack guide will share the history of the Iceland ice cave and explain how it was formed. You’ll learn how the volcanic eruptions of the Katla volcano caused the ash and sand to combine with the ice, to form the incredible shades of black and blue that appear almost like ‘dragon glass’. There will be plenty of ice cave photo opportunities, and plenty of time to ask questions and learn all you wish to know about these magnificent icy structures.

After some time in the cave and its surroundings, we’ll take another short glacier walk as we hunt for secret waterfalls and hidden glacier canyons

You may have heard that visiting an ice cave is a “ Once in a lifetime experience ” – this couldn’t be more true, and we love nothing more than sharing this very unique experience with our guests! Iceland’s ice caves are constantly shifting and changing with the seasons, so the caves that you will experience on your glacier tour will never exist in the same form again. We are always scouting the glacier ice for new and hidden caves, so we know exactly where to find the most spectacular (and the safest) ice caves to show you on our tours. Some of these caves are on private land that can only be accessed with a Katlatrack guide, so it is also possible that your tour will include a visit to a secret ice cave. Based on the weather and depending upon the current conditions on the glacier we will do our best to show you some hidden gems of the glacier.  

After our ice-caving adventure, we’ll head back to the super jeep

…for our next destination as we drive through the actual film set from Star Wars Rogue One . You’ll see exactly where the opening scenes were shot as your guide shares all of the behind-the-scenes details. We then take in some more filming locations on our way home, as we visit the film sets of some other favourites, such as Transformers, Noah, and Oblivion . Along the way, you will also enjoy some other memorable sights from the comfort of the jeep, including the historical promontory of Hjörleifshöfði (named after one of the first Viking settlers in Iceland), the distinctive Reynisdrangar sea stacks, and of course, the beautiful local area around Vik .

Finally, our jeep then takes an exciting detour

…through the wild terrain onto a private black sand beach. You will already be very familiar with Iceland’s most famous black sand beach, Reynisfjara , and we definitely recommend that you explore this beach in your own time. However, in true Katlatrack style, we prefer to take you off the beaten path on our tours.   Therefore, we will visit a lesser-known black sand beach

JOIN THE BEST ICE CAVE TOUR IN ICELAND!

Reviews of katlatrack ice cave tour.

Such an amazing time! Our guide was AJ (Aron), and it was so great to hear history, facts, and folklore from a genuine local to the area! The ice cave tour itself was awesome, and I would definitely recommend it to everyone!”

–  Anon

“We booked the Katla Ice Cave Tour and we are so glad we did. It was the highlight of our trip to Iceland. The weather was perfect and the area is simply beautiful. It’s like being on another planet. What an amazing feeling to go inside Ice that could be 600-800 years old. Our guide Besie was awesome. He was a wealth of information and so proud of his country and heritage. Thanks, Katlatrack. We will be back.”

–  Herster

“Our guide Bessi took us on a fantastic trip which can best be described as a mix of the lunar landing, monster truck joyride, geology/history lessons with some good old storytelling thrown in. We chose the Fast Track Ice Cave tour – awesome!”

–  Thornblad

KATLA ICE CAVE TOUR– FAQ

Have more questions about our unique ice cave tour? Find out everything you need to know in our FAQ section here.

What do I need to wear on this tour?

The beautiful country of Iceland is known for it’s chilly and often changeable weather – so dress accordingly! We recommend dressing in layers to suit a wide range of weather conditions. Your best bet is to wear a light t-shirt, a fleece jacket, and a waterproof top layer/windbreaker. 

For bottoms, lightweight long cotton pants with waterproof pants on top. We advise against wearing jeans, as these can get cold and heavy when wet. 

We also recommend bringing sunglasses and sunscreen (even if it’s cloudy) to help you brave the glacier glare. Sturdy hiking boots or snowshoes are also recommended to help you navigate the often rough terrain. For safety, we will outfit you with essential glacier gear, including crampons to fit your boots.

What if I suffer from motion sickness?

When we say “an exciting super jeep ride” it means an off-road adventure on rough terrain. Unfortunately, some people have real trouble with bumpy rides. Usually, we suggest those clients who gets car sick easily to sit in the front seat, so they can look straight ahead at the horizon.  Motion sickness pills are available over the counter, consult a professional before taking them. Ginger or peppermint candy also relieve queasiness, we suggest bringing with you.  If you get motion sick easily, and it takes a while for that awful feeling to pass, then we do not recommend joining the tour.

What if I suffer from reduced mobility or back pain?

If you’re worried about being “too old” to go to an ice cave tour, don’t. Many seniors do enjoy hiking well into their 60s, 70s, and even 80s. Our ice cave tours are great outdoor activity that any age group can enjoy. It’s a light physical activity, which does not require skills of being in the mountains, but you must be able to walk over uneven terrain for 30-60 minutes. If you worry about falls or other risks, walking sticks could help to provide extra support and stability, we suggest you consider bringing with you.

Our tours are not recommended for guests with severe back pain. We do not recommend it to anyone who has a significant back or neck issue, as the jeeps are bouncy and most of the tours are on a rough terrain on dirt roads with potholes.

What if I suffer from claustrophobia?

We understand that the fear of being in small spaces is really challenging for some of us. If you’re concerned about claustrophobia, please contact us at  [email protected]  and we will give you up to date information about the size of the cave. Usually, the ice cave is spacious and open and should not be an issue to stop you from exploring one of wonders of Iceland.

Can I bring my camera on the ice cave tour?

Yes! We highly recommend that you bring your camera so you can conduct your own ice cave photography tour! There are so many amazing sights to see along the way. Bringing a tripod and extra batteries is also a good idea as well. If you are worried about water damage, we suggest bringing a dry-bag with you. 

Why are drones not allowed on this tour?

For safety and privacy reasons, we kindly request that drones not be flown during our tours. The operation of drones may interfere with the enjoyment of others and pose potential hazards to both people and wildlife. We appreciate your understanding and cooperation.

Where is the meeting location?

The meeting point is in Vík, next to the OB gas station in Vík. The address is Austurvegur 16, 870 Vík. You can find us on Google Maps under Katlatrack.

Can I bring my children on this tour?

Children aged 12 years old and above can take this tour.  If you have younger children, please take a look at our Fasttrack Ice Cave Tour or our Custom Tours (there are no age restrictions on custom tours).

How many ice caves do we get to see?

On this particular Iceland ice cave adventure, you’ll get to see 1-2 naturally-formed ice caves, plus several world-famous glaciers, waterfalls, landscapes, and even the original film sets of multiple well-known movies. Every tour is a bit different, as the glaciers and caves re-from over time. We’ll take you to some off-the-beaten-path caves you won’t find on any other tour.

What are crampons?

Safety first! Crampons are spikes that attach to the bottom of your hiking boots to help you to walk on the ice without slipping and sliding. They are included in the tour package and our trusted guides will attach the metal spikes for you.

Do I need to bring my own glacier gear and crampons?

Nope! You just need to wear a set of warm clothing fit for the weather – preferably, multiple layers – plus sturdy hiking shoes. We will outfit you with the rest of the glacier hiking gear that you need. 

Do I need to bring lunch with me on the Katla ice cave tour?

You are welcome to bring along your own drinks or snacks, but we recommend that you have lunch either before or after the tour.  You will find some very nice restaurants next to our meeting point.

Where can I learn more about Iceland’s famous ice caves?

Want to learn more about Iceland’s history and how the ice caves came to be? Check out our Iceland Travel Blog for all the info you need to know about ice caves, Iceland, the best tours, and even more Iceland adventures!

BROWSE RELATED ICELAND ICE CAVE TOURS

Find the best ice cave tours in Iceland from Katlatrack adventures! Browse our most popular glacier and ice cave tours below.

FAST TRACK ICE CAVE TOUR

If your trip is short and action-packed, seeing an ice cave may seem like it would be impossible for you to have on your agenda, but with us, it was never so easy!

VÍK – ONE HOUR EXPRESS

Give us one hour and we’ll show you our home town like no one else can. We promise that you won’t see Vik like this with any other tour company. 

Private Ice Cave Tour

If you prefer to explore Iceland on your own schedule, or with your own group, our Private Ice Cave Tours are a unique and special way to experience one of Iceland’s greatest natural wonders.

Austurvegur 16 870 Vík Mýrdal

[email protected] +354 849 4404

Fast Track Ice Cave tour

Katla Ice Cave tour

The Best of Vík tour

The Hidden Mountains tour

Custom tour

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Katla Volcano

Katla is one of Iceland`s most dangerous volcanoes.

The volcano Katla is located in the Mýrdalsjökull glacier in the south of Iceland and known as one of the most dangerous volcanoes in Iceland. Katla volcano can cause horrendous glacial river floods when it erupts. Those floods can ruin houses and farms. You will find local tour operators, which organise amazing tours with volcano experiences.

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• Lattitude: 63.646730
• Longitude: -19.130285
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The magical Katla Ice Cave in South-Iceland – the One which is open all Year round

Visiting Iceland's ice caves is an incredible experience, and one of my most popular things to do in Iceland.

The Katla ice cave

In this travel-blog I am going to tell you a little bit about the Mýrdalsjökull glacier , the Katla volcano , and the ice caves which form in the glacier.

The Katla ice cave , which changes in appearance every year like the seasonal ice caves , is located in the Kötlujökull glacier , a glacier tongue of Iceland’s fourth largest glacier, the mighty Mýrdalsjökull glacier.

Kötlujökull – the Katla glacier

The seasonal ice caves which form in the wintertime can be visited from November until April, but the Katla ice cave in South Iceland can be visited all year round.

When water from the melting glaciers finds its way and carves an opening in the ice, these extraordinary ice caves are formed.

And we get an opportunity to have a peek inside shiny ice formations in black and blue ice tunnels in the glacier tongues.

Layers of ash in the glacier from Katla eruptions

Lurking deep below the approximately 590 sq. km Mýrdalsjökull glacier is one of the most dreaded volcanos in Iceland – the subglacial Katla volcano!

Katla last erupted in 1918, creating havoc in this area. And we are waiting for it to erupt again…

If you remember the Eyjafjallajökull glacier eruption back in 2010, which closed down air traffic and people were stuck in airports all around the world, then Katla is much more perilous.

Inside the Katla ice cave

When Katla erupts, it is not a tourist attraction like our latest eruption in Geldingadalir , it is a cataclysm.

The ash clouds of these volcanos are massive, as you will see when you visit the Katla ice cave.

The black stripes you see in the ice are layers of ash from the previous eruptions in the Katla volcano. Visiting the ice caves is like walking through a tunnel of Iceland’s volcanic history.

Inside Katla ice cave

I have visited the Katla ice cave a couple of times and it changes in appearance every time I visit it.

Most of the photos I show you in this travel-blog are from my 2021 visit to the Katla ice cave.

On my first visit to the Katla ice cave it looked like this:

Deep inside the Katla ice cave

The ice cave was dark inside, yet extraordinarily beautiful.

You can see the layers of the black ash pressed between the blue ice of the glacier.

The blue ice is the oldest part of the glacier and it can take on the most amazing shades of blue, ranging from powder blue to deep royal blue.

Blue and black ice in the ice caves

As you can see in my photos then special crampons are needed for walking on the ice and helmets with headlamps.

The glacier crampons give us a very good grip on the ice, so they are very much appreciated.

It is very easy to bump one’s head while inside the lava caves and ice caves of Iceland , so never enter a cave without a helmet.

Also wear good hiking shoes, gloves, a hat, and warm and waterproof clothes. I would advise you to wear something yellow, as that color makes a good contrast to the black and blue ice.

The departure   for the Kötlujökull glacier is from Vík village. The driver-guide will take you on a 45-minute drive from Vík through the most beautiful black volcanic sand plains, which remind us of the vicinity to the Katla volcano.

After being equipped with all the necessary tools for visiting an ice cave a relatively short hike will take you to the glacier.

A round opening in the Katla ice cave – blue skies are a plus

The ice takes on all kinds of formations and colors as you can see in my photos, ranging from white, blue, and pitch-black, when sand and ash merge with the ice.

Upon entering the cave you will understand why the Katla ice cave is often referred to as the Dragon glass cave.

Black and blue ice in the ice caves

The seasonal ice caves have got names such as the Sapphire ice cave, the Black Diamond, and the Chrystal cave, and the names describe their appearance and the feeling you will get when entering these caves.

See also my travel-blog: the Extraordinary Ice Caves of Iceland – a Winterworld Fairtytale

No matter how often I visit the ice caves, and I have visited many of them, I am always in awe when I enter an ice cave.

In the photo above and below which I took at the Sapphire ice cave by Jökulsárlón glacial lagoon, you can see why the ice caves have got such beautiful names.

If you want to know more about this area before visiting the Katla ice cave, then I have written another travel-blog about Katla volcano and Kötlutangi spit – the southernmost point of Iceland , which got created in the 1918 Katla eruption.

That record was previously held by Dyrhólaey, which I will be showing to you in my next travel-blog: Cape Dyrhólaey in South-Iceland – the One with the big Arch .

In the Katla travel-blog I have included accounts about people who witnessed the massive glacial floods during a volcanic eruption in the subglacial Katla volcano.

Hafursey close to the Katla glacier – 6 men sought shelter in a cave in Hafursey during the 1755 glacier burst

One of them is told by Kjartan Leifur Markússon who lived on Hjörleifstangi promontory when Mt. Katla erupted back in 1918.

He witnessed the roaring glacial burst approaching the promontory at a great speed, carrying huge icebergs. What an absolutely frightening sight this must have been.

The glacial water carries the icebergs to the sea which creates a tsunami-like occurrence, which makes the sea bounce back and crash onto land – as far as I can understand.

Visiting a shiny black and blue ice cave

Visiting the ice caves is quite a unique experience and if I were asked to recommend one must-thing to do in my country, then I would recommend visiting these ice caves, as I believe that this experience leaves no man untouched.

Then I would also recommend the Golden Circle and the Diamond Circle 🙂

The Katla ice cave – the guide leading the group

If you want to visit an ice cave and haven’t got time to go as far as the 372 km to Jökulsárlón glacial lagoon where several of the seasonal ice caves form in the wintertime, then Vík is only 187 km away from Reykjavík.

And let’s remember the ice cave rule: the ice caves cannot be visited without trained glacier guides, as the glacier tongues move under their own weight and calve, so it is not safe to visit them without a professional guide.

Have a lovely time visiting the ice caves of Iceland – it is truly an unforgettable experience 🙂

Regína Hrönn Ragnarsdóttir

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Discover the Majestic Katla Volcano and Ice Cave in Iceland

• South Iceland

The Katla ice cave is a mesmerizing natural wonder, nestled beneath the icy expanse of the Katla volcano in Iceland. Its ethereal blue hues and intricate ice formations create a breathtaking underground spectacle that draws adventurers and nature enthusiasts from around the world.

Katla’s Location

Katla is one of Iceland’s largest volcanoes, with a peak reaching 1,512 meters (4,961 ft) above sea level. It is situated in South Iceland and is partially covered by the extensive Mýrdalsjökull glacier. This unique blend of volcanic and glacial systems ultimately leads to a beautiful and fascinating landscape.

The Katla volcanic system spans an area of 595 km2 (230 sq mi) and encompasses the stunning Eldgjá canyon, making it an essential destination for visitors interested in Iceland’s geology. As we travel through South Iceland, we can witness breathtaking glaciers, mountains, and coastlines that showcase the region’s geodiversity.

Adventures to the Katla Ice Cave

The journey to Katla typically starts in Reykjavik, the capital of Iceland. It takes us along Iceland’s south coast, before you reach the charming village of Vík . Vík í Mýrdal is a picturesque coastal village and a convenient base for exploring the nearby Katla volcano and its associated ice cave. The cave itself, found within the Kötlujökull glacier, is a fascinating phenomenon. Its distinctive black ice is the result of the Katla volcano’s ash deposits, which layer the ice over time.

As for Reykjavík , it is Iceland’s cultural and political hub, offering a delightful mixture of modern amenities and historical charms. The city is well-connected to South Iceland and the surrounding natural wonders, providing visitors with easy access to explore and experience the captivating Katla volcano and the majestic Mýrdalsjökull glacier.

The exploration of the geographical features surrounding the Katla volcano and ice cave allows you to fully appreciate the striking landscapes and natural beauty found in South Iceland. From the vibrant capital of Reykjavík to the serene village of Vík, you can witness firsthand the powerful forces of nature that have shaped the glaciers, mountains, and coastlines of this remarkable region.

Prepare Your Visit to the Katla Ice Cave

Embarking on an adventure into the Katla Ice Cave is an experience like no other. Your experienced glacier guide will ensure the tours are safe and comfortable, while providing a unique and unforgettable experience. Before setting off to explore these breathtaking natural ice caves, it’s crucial to be well-prepared and informed.

The Katla Ice Cave tours usually begin with a thrilling super jeep ride to the meeting point near the glacier. The terrain can be challenging, but the suitable vehicles and skilled drivers make the journey an enjoyable part of the adventure. As seasonal ice caves are constantly changing, these guided tours guarantee the best experience at any given time.

When it comes to caving equipment , you are covered. Your safety is the top priority, so the tours provide helmets, crampons, and other necessary gear for you to safely navigate the glacier and its fascinating ice caves. In addition, your professional guides will give a safety briefing before the hike, ensuring everyone is well-informed and confident before setting off.

Proper attire is essential for a comfortable and safe ice caving adventure . Here is a list of items you should wear and pack for your Katla Ice Cave experience:

• Layers : Dressing in layers is crucial for adjusting to the fluctuating temperatures in the ice caves and during the hike on the glacier.
• Waterproof clothing : A waterproof jacket and pants are recommended for protection against the elements, especially during glacier bursts or precipitation.
• Hiking shoes or boots : Sturdy hiking shoes or boots are necessary for proper traction and support.
• Gloves : To keep your hands warm and protected, wear gloves suitable for cold weather conditions.
• Backpack : Bring a backpack to carry water, snacks, and any additional layers you may need during the hike.
• Camera : Capture stunning moments from your adventure with a camera, but be sure to keep it safe from potential moisture or cold temperatures.

Upon arrival at the glacier,  you will receive all the help you need to put on your glacier crampons and other safety gear. Throughout the hike, your expert guides will share their knowledge of the ice caves and their remarkable features while ensuring your safety and enjoyment.

With the extensive experience and dedication to providing unforgettable adventures, exploring the Katla Ice Cave is a once-in-a-lifetime experience you won’t want to miss.

Around Katla Volcano and Ice Cave

Traveling to katla ice cave.

On my trip to the Katla Volcano and Ice Cave, I began our journey in the charming town of Vík. From there, I embarked on an incredible adventure led by experienced glacier guides who are skilled in navigating the treacherous terrain of Iceland’s glaciers. As I set out on our glacier hike, I was equipped with glacier crampons for secure footing on the ice, ensuring our safety throughout the journey.

During my exploration, I witnessed the effects of melting glaciers and black ash from past volcanic eruptions, which have shaped the landscape in fascinating ways. Wandering through this unique environment, I couldn’t help but feel a sense of awe at the power of nature, as I discovered how glacial floods have carved out the magnificent ice caves beneath Mt. Katla.

As I ventured closer to the volcano, I was reminded of the infamous eruption of Eyjafjallajökull in 2010, which only heightened our anticipation to see the mighty volcano Katla up close. 

Upon arrival at the Katla Ice Cave, I marveled at the incredible ice formations and vivid colors etched into the walls of the cave. The adventure was well worth the effort, and Iwas fortunate to have had skilled glacier guides accompany the small group throughout this unforgettable experience.

My journey around the Katla Volcano and Ice Cave was truly a memorable adventure. As I left the parking place, reflecting on the day’s experiences, I couldn’t help but feel grateful for the opportunity to witness the awe-inspiring power of nature.

Highlights and Sightseeing at Katla

One of the most memorable aspects of our visit to the Katla Ice Cave is the stunning clear blue ice illuminated by natural sunlight. This breathtaking sight makes for an unforgettable experience. During our exploration, you could see melting ice formations, offering a unique perspective on the constantly-changing nature of the glacier.

A visit to the Katla Ice Cave would not be complete without enjoying the surrounding scenic views. The glacier itself is nestled within the beautiful Mýrdalsjökull glacier, and the surrounding areas boast dramatic landscapes and attractions such as the majestic Skógafoss and Seljalandsfoss waterfalls. These picturesque spots provide fantastic photo opportunities, not to mention plenty of inspiration for any aspiring Instagram influencer.

For fans of the popular television series Game of Thrones, the Katla ice cave location served as a filming location for some of the show’s most iconic and chilling scenes. Walking through the ice cave, it’s easy to imagine the otherworldly atmosphere in which the characters found themselves. The fact that Katla is an active volcano only adds to the sense of awe and wonder.

Hikers and nature lovers will also feel at home here. Katla’s ice cave and the surrounding area provide ample opportunities for adventurous hikes and exploring the terrain. The unique balance between the impressive ice cave and the ever-changing volcanic activity guarantees a one-of-a-kind experience.

The visit to the Katla Ice Cave combines natural beauty, panoramic views, a sense of adventure, and pop culture significance, ensuring a truly memorable experience for all who visit.

What to Be Aware of Upon Visiting Katla Ice Cave

When preparing to visit the Katla ice cave, it’s crucial for tour operators to prioritize safety and follow the necessary precautions. As Katla is an active volcano, everyone must be aware of the potential dangers it presents, such as volcanic ash and unstable terrain, while also considering the weather conditions in Iceland.

Before embarking on a guided tour to the ice cave, you must choose a reputable tour operator to ensure our safety. These experienced glacier guides are familiar with safety protocols and the inner workings of the glacier, so they’re well-equipped to keep us safe in this unique environment.

Wearing appropriate safety gear is essential during our visit to the Katla ice cave. Helmets should be worn at all times to protect our heads from falling ice or rocks as we navigate the glacier. Additionally, you must ensure that our clothing and gear are suitable for the cold and unpredictable weather conditions in Iceland. Layering up in warm, waterproof garments is crucial for both our comfort and safety.

You need also be mindful of potential encounters with volcanic ash during our journey. If you’re traveling to Katla from Reykjavík, it’s important to stay up-to-date on any volcanic activity and ash dispersal forecasts. This will help us anticipate and avoid situations that may become hazardous.

While visiting the Katla ice cave, you need to remain vigilant and attentive to our surroundings. Although experienced guides are there to help us navigate the ice cave and keep us safe, it’s important for us to respect the environment and be aware of any dangers, such as collapsing ice or slippery surfaces.

So, by adhering to these safety guidelines and choosing a professional guided tour when visiting the Katla ice cave, you can enjoy this spectacular natural wonder with confidence and peace of mind.

Katla in Popular Culture

Our exploration of the Katla volcano and ice cave wouldn’t be complete without mentioning its connection to popular culture. One notable example is how Iceland’s breathtaking landscapes, including the area around the Katla volcano, served as a filming location for the immensely popular HBO series, Game of Thrones.

The rugged and striking terrain around the Katla volcano and ice cave provided the perfect backdrop for the gritty atmosphere and intense battles of the series. The black ash of the ice cave and the dramatic geologic formations created by the volcano’s eruptions have become synonymous with the powerful visuals of the show.

The impact of Katla’s presence in Game of Thrones echoes through the local tourism industry, with fans flocking to the region to experience the unique beauty of the location firsthand. The popularity of such excursions has further highlighted the importance of preserving and protecting these natural wonders.

“ Katla ” is a gripping Icelandic TV series that premiered in 2021, captivating audiences worldwide with its unique blend of drama, mystery, and supernatural elements. Set against the stunning backdrop of Iceland, the series revolves around the eponymous Katla volcano , which becomes the epicenter of the narrative. The volcano’s eruptions serve as a metaphorical and literal catalyst for the unfolding drama, with its mysterious consequences causing disruptions in the lives of the characters. As the earth trembles and ancient secrets are unearthed, the show explores themes of grief, loss, and the blurred lines between reality and the supernatural. “Katla” is a visually striking and emotionally charged series that showcases the power of nature and the resilience of the human spirit.

The Katla volcano and ice cave have garnered significant attention and appreciation through their connection to popular culture, especially with the unforgettable scenes from Game of Thrones. These unique and breathtaking sites continue to capture the imagination of viewers and visitors alike, showcasing the awe-inspiring power of nature while enriching Iceland’s cultural tapestry.

Frequently Asked Questions About Katla

What tours are available for the katla ice cave.

There are several tour options available for exploring the stunning Katla ice cave. Many of these tours are packaged with other exciting Icelandic attractions and sights.

For instance, you can find the South Iceland sight seeing tour with Katla Ice Cave exploration , to visit to famous nearby waterfalls. You can also join a guided Katla ice cave tour from vik that ensures a safe and enjoyable experience, as expert guides are knowledgeable about navigating the area. 

Is the Katla ice cave in Game of Thrones?

Yes, the Katla ice cave was used as a filming location for the popular TV series “Game of Thrones”. The unique and mesmerizing ice formations, along with the contrasting black volcanic ash, created a perfect backdrop for the fantasy realm in the show. It’s an excellent opportunity for fans to experience a part of the Seven Kingdoms during their visit to Iceland. You can learn more about fun facts relating to the Katla ice cave here.

What is the difference between Katla ice cave and the Blue ice cave?

The main difference between the Katla ice cave and the Blue ice cave lies in their appearance and location. Katla ice cave is characterized by its unique black color due to the volcanic ash from the nearby active volcano, Katla. This cave is located near the town of Vík, on the eastern side of the Mýrdalsjökull Glacier. On the other hand, the Blue ice cave is known for its striking blue hues caused by the compression of ancient glacial ice. This cave is typically found in the Vatnajökull Glacier region. Both caves are awe-inspiring and worth visiting, offering distinctive experiences to their visitors.

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• 10 May 2023

Guide to Katla Volcano in Iceland

Katla is a massive subglacial volcano located under the mighty Mýrdalsjökull Glacier. While more minor volcano eruptions have not broken the ice, it's been more than 100 years since Katla's last major eruption. 

What Type of Volcano Is Katla?

Katla is a subglacial volcano, one of the largest central volcanoes in Iceland, that sits under Iceland's fourth largest ice cap, Mýrdalsjökull glacier. 

Where Is Katla Located?

Katla is located right in the centre of the South Coast of Iceland, east of Eyjafjallajökull glacier and west of the town of Kirkjubæjarklaustur. It's about 150 km (93 miles)from the capital city of Reykjavík. Katla is located close to the village of Vík. 

What Is the Katla Geopark?

The Katla Geopark is an area of 9,542 sq km (7,545 sq mi), which is 9.3 percent of the total area of Iceland. Glaciers, volcanoes, mountains, rivers, waterfalls, and miles of lava fields are within the geopark. Visitors can enjoy hiking, caving, angling, horse riding, glacier walking, and ice climbing.

When Has Katla Erupted Throughout History?

There have been 20 documented eruptions of Katla between the years 930 and 1918 and a few might be missing. These eruptions have happened every 20 to 90 years, and scientists say that Katla is long overdue for an eruption. There may have been small eruptions that did not break the ice in 1955, 1999, and 2011; nevertheless, it has been over 100 years since Katla's last major eruption.

Katla's previous eruptions have had a Volcanic Explosivity Index (VEI) of between 4 to 6 on a scale of 0 to 8. To compare, the 2010 eruption at Eyjafjallajökull, which shut down air traffic across Europe, had a VEI of 4. 

How To Get to Katla

Driving from Reykjavík to Katla takes approximately 3 hours on the Ring Road along the South Coast. To visit Katla up close is challenging and shouldn't be attempted without an experienced guide and a lot of planning. 

Some tours drive by Katla along the way to Vík, and there are guided tours to the Katla ice cave. Guides have the proper vehicle to reach the area and the necessary experience to explore safely. 

Since it can be tricky to get to Katla, we recommend experiencing earthquakes and volcanoes at Perlan, Reykjavík. Immerse yourself in their Force of Nature Exhibition.

Is Katla Volcano Active?

Katla is an active volcano, but there's no need to be concerned about an eruption on ice cave tours as Iceland's volcanoes are monitored for activity. If Katla is stirring, there will be warnings, and tours will be suspended in advance. Katla last erupted in 1918; since 920 AD, only 20 eruptions have been recorded. Even though Katla is an active volcano, it does not mean it is expected to erupt tomorrow. Scientists monitor Icelandic volcanoes very closely. 

With advanced technology, you can experience the adrenaline rush of an earthquake and the eruption of a volcano in a safe, controlled environment at Perlan's Force of Nature Exhibit.

Katla ice cave

The Katla ice cave is located on the south coast of Iceland, on one of Iceland's most active volcanoes. The ice cave can be visited year-round on guided tours to the Kötlujökull glacier. The inside of the Katla ice cave is blue and black; the black is ash from volcanic eruptions. The ice cave is less than 1 hour drive from the village of Vík and is a popular attraction for tourists looking for an adventurous outdoor activity. Experienced glacier guides lead the tours. 

Can I go to the Katla ice cave on my own?

Never attempt to walk on a glacier without an experienced glacier guide. They are trained to keep travellers safe and provide the necessary caving equipment and a suitable vehicle to reach the cave. Participants must wear proper hiking shoes and waterproof and warm clothing to explore the ice cave safely and comfortably.

What would happen if the Katla volcano erupted?

If Katla erupted a large eruption plume would form over the crater made of superheated gas, ash and tephra, and rise 10-20 km into the air. Soon tephra fallout would start on the glacier and its neighborhood according to the wind direction. Hazardous flood should also be expexted, flood that is comparable to the combined average discharge of the Nile, Amazon, and Mississippi rivers. The glacier ice would melt, sparking a massive surge. There are warning systems in place, and people would be alerted to evacuate the area at the first signs of a significant eruption.

A particular concern would be paid to the small village of Vík, which sits close to the flood's path. The town has put measures in place to direct the floodwater away from the village, but it is still possible for catastrophic damage to occur. 

How often does Katla erupt?

Katla has typically erupted every 20-80 years; however, it has been more than 100 years since its last major eruption. Geologists are waiting for signs of a big one. 

How many people died in the 1918 Katla eruption?

There were no recorded deaths in the 1918 eruption of Katla. It has been said that a group of farmers herding sheep had a close call, but they escaped in time. 

Is Katla safe to visit?

There are ways to visit Katla safely; the most common is a guided Katla ice cave tour. A glacier guide leads groups to explore the massive ice cave that is open to the public year-round. Never attempt to walk on a glacier without a trained guide, as some sinkholes and crevices could lead to serious injury. 

What attractions are near Katla?

Katla is visible when touring parts of the South Coast of Iceland. Some nearby attractions include the glaciers Mýrdalsjökull, Eyjafjallajökull, and Sólheimajökull; the waterfalls Skógafoss, Seljalandsfoss, and Gljúfrabúi, the black sand beach of Reynisfjara and the village of Vík.

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Ice Cave Tours

Katla Ice Cave (Under The Volcano) Tour

Ice cave tour with super jeep ride - from vik or reykjavik.

Looking for something off the typical tourist track? Then this is the tour for you!

It's time to jump in a Super Jeep, strap on your crampons, and step into the mighty glaciers and ice caves of South Iceland.

Prepare for movie-like landscapes and jaw-dropping sights like nothing you've ever done before. We'll hike across the Myrdalsjokull glacier, then visit the amazing blue and black ice cave of the Kötlujökull glacier on Mt. Katla.

Mother Nature has really outdone herself with this one!

This tour is offered either as a meet-on-location tour from Vik or with a pick-up from Reykjavik. Please specify which option you prefer in checkout.

• Enjoy a scenic Super Jeep ride
• Go on a glacier hike on Myrdalsjokull glacier
• Visit a natural glacier ice cave
• Enjoy epic Landscapes
• See Seljalandsfoss waterfall (From Reykjavik only)
• See Skogafoss waterfall (From Reykjavik only)
• Super Jeep ride
• Visit to a natural ice cave
• Crampons for walking on Ice
• All required safety equipment
• English speaking licensed adventure guide

What to bring

• Sturdy hiking shoes
• Warm clothing
• Waterproof jacket and pants

Tour Snapshot

• Expert Guides
• Small Group Experience
• Best Price Guarantee
• Fast & Secure Payment
• No Booking Fees
• Free Cancellation

Please Select When Booking:

• From Reykjavik

Meet us at Vik

Mýrdalsjökull glacier is one of the best-known in Iceland, from which the alluring Kötlujökull glacier originates. Kötlujökull is named after the robust Icelandic Volcano Katla, covered by the glacier. The enormous mass of ice has been slowly crawling down from the volcano mountain, creating some of Iceland’s most impressive natural ice caves. On this exhilarating Super Jeep tour, you will get to explore the wonders of this stunning natural phenomenon. You will see why as soon as you step in!

More about tour

The drive starts on the famous Road 1, but soon we will make a turn to what seems like a no man's land. Stunning glaciers and mountains will surround us along the way. The super jeep has no problem taking on the rough and rugged road, but the drive is exciting nonetheless.

We will come to a stop near the roots of the Kötlujökull glacier, and the view that greets us is otherworldly. We will take on our crampons and helmets and take a short walk to the ice cave's opening. We might need to climb a few steps on ladders to the cave entrance. As the natural ice cave constantly changes, conditions can differ on each tour. However, the climb is not challenging at all, and anyone in an average physical condition should be able to climb these steps. It might look adventurous at first, but it is not demanding at all!

Beautiful layers of different colored ice and volcanic ash unfold from the ice as we come closer to the cave, painting impressive stripes in the glacier. Your guide will tell you all about the glacier's history, the ice cave, and the area around it, making the tour educating and exciting all at once.

When we are back out from the glacier, we will walk around and see if any smaller ice caves are accessible before returning to our super truck. The drive back to Vik is an amazing one, and in wintertime, the sun will start to sit behind the mountains creating a magical wintery sunset. Make sure to bring your camera!

For those choosing the roundtrip pick-up from Reykjavik

If daylight allows us (from the 1st of February until the 15th of November), we will visit a number of breathtaking waterfalls. We’ll stop by the Eerie waterfall of Skógafoss , the inspiration for dozens of folklore tales located in the beautiful Skógar area. We recommend hiking up the right side of the waterfall to see the troll’s face that stares at the waterfall for all eternity after forgetting time and turning into stone, admiring Skógafoss.

We will also stop (all year round) at the stunning Seljalandsfoss waterfall , the one you can walk behind. Seljalandsfoss is located on the Seljalands River, which flows down from the famous volcano, Eyjafjallajökull!

Due to limited daylight periods, we cannot stop at Skógafoss in wintertime (from the 16th of November until the 31st of January). Only from the 1st of February until the 15th of November do we stop at both of the waterfalls on this tour. The meet-on-location tour (from Vík) includes no other stops but the Ice Cave.

Warm clothing is essential ! Please bring warm and waterproof clothing, warm headwear, gloves, and sturdy shoes, as there is no opportunity to rent any clothing items for this tour.

We’ll arrive back in Reykjavik around 8:00 p.m.

Please note : We cannot guarantee that the actual view during your visit will match the photographs since ice caves are a natural phenomenon that undergoes constant change. How they look may vary depending on the season, time of the day, lighting, and other factors.

KATLA ICE CAVE DURING SUMMER

Katla Ice Cave stands out as a year-round destination, making it one of the few ice caves in Iceland accessible any month. Visiting in summer offers a unique experience, but it's worth noting the cave's appearance constantly changes.

Pick up from Reykjavik

If you select the pickup option, our tour guide will pick you up at your chosen meeting location in Reykjavik.

Meeting point

If you choose to meet the tour at Vik, our tour guide will connect with you at the bus parking lot behind the Icewear Magasin building (facing the sea) in Vik, South Iceland. The guide will be standing outside in the parking lot in front of the “Ice Cave Bistro / Restaurant in Vik” by a Super Jeep with an Arctic Adventures sign in the front window.

What is a Super Jeep?

A Super Jeep is a highly modified vehicle equipped with 38" to 50" tires and a robust suspension system, uniquely designed to handle Iceland's diverse terrains and conditions. Dive deeper into the world of Super Jeep Tours .

Are Super Jeeps safe?

Yes, Super Jeeps are designed and modified to handle the challenging terrains of Iceland, ensuring safety during tours. For a secure adventure, check out our Super Jeep Tours .

How many people fit in a Super Jeep?

A Super Jeep can accommodate up to 19 riders, making it ideal for large families and small tour groups. Discover group adventures with our Super Jeep Tours .

Does the ice cave always look exactly the same as on the pictures?

The caves are in a constant change so they might look different from what you see in the picture. Air temperature, sunshine, precipitation, geothermal activity, and many other factors cause significant changes in the formation of the ice caves and this process is exclusively controlled by Mother Nature.

We will visit the best available naturally formed ice cave during this tour and the cave we visit is chosen based on conditions and safety each time.

Do I need to bring a backpack on a glacier trip in Iceland?

We recommend bringing your own backpack on our full day or 1/2 day tours. It’s great to carry a small lunch and some extra clothing.

Can I bring my camera along on an ice cave tour?

You can bring your camera along, and you should definitely bring one since the setting on the tour is full of amazing, scenic views.

I am pregnant, can I still join a glacier hike?

This is, of course, a personal choice, we have often had pregnant women on our trips. We recommend you take a close look at our trip description and  difficulty rating , they will hopefully give you a better idea. It is also good to contact your physician, pregnant women’s health can be quite different. Feel free to contact us if you have further questions or concerns.

Do I need to bring a lunch with me on the ice cave tours?

We do not provide lunch on any of our trips, so we recommend you bring your own lunch (for the longer trips), snacks and a bottle of water (you can refill it on the trip). During the tour, there will be a stop at the gas station where you could buy snacks and drinks.

What are crampons?

Crampons are metal spikes that we attach to the soles of your hiking shoes, these enable you to walk on the glacier ice without slipping.

Is there a guide on each Arctic Adventures ice cave tour?

Yes, there is a specially trained and certified glacier guide on every ice cave tour that we offer.

Where can I find more information about Ice Caves?

The Ice Caves in Iceland are truly magical. If you want to learn more about them this information page on  Ice Caves  will be a great help.

What does meet on location entail?

Meet on location  means travelling to the location of the tour yourself and then meeting our tour guides rather than being picked up and taken to the location.

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Contact us for more information about this tour.

Arctic Adventures offers pick up service from selected Reykjavík pick up points. Note that you can always update your pick-up / drop-off location through our customer portal: https://my.adventures.is You can press the login button in your confirmation email for an easy login to the customer portal. If you experience an error with logging into the customer portal or can't find your booking, please contact us on Facebook Messenger, or send us a message here below. Chat with us on Facebook Messenger

The spectacular Katla Ice Cave in South-Iceland is open all Year round

How the volcano Katla got its name

I have written about my visits to a couple of  seasonal ice caves in Iceland, which form in the wintertime, but did you know that there is an ice cave that is open all year round? It is called the Katla ice cave , located in South-Iceland, in the Kötlujökull glacier, a ruggedly beautiful icefall of Mýrdalsjökull glacier , Iceland's fourth largest glacier. 

Here we are in the territory of the most dreaded volcano in Iceland - the subglacial Katla itself!

Inside Katla ice cave

I got the opportunity recently to visit Katla ice cave with Katlatracke . It had been on my agenda for a year to visit this cave and when the opportunity arose I jumped on it. We drove from Reykjavík city to the scenic little village of Vík in Mýrdalur in South Iceland.

The Katlatrack glacier guides picked us up in their super jeeps at their meeting point at Vík (by the N1 gas station) right by ring-road 1. The ice cave is a 45-minute drive north of Vík through black volcanic sand plains from previous eruptions of the still active Katla volcano (i.e. we have been waiting for it to erupt).

The meeting point at Vík

Our guide blasted Highway to Hell on the radio, which I found to be both hilarious and fitting for where we were going - towards the notorious Katla, which most Icelanders are afraid of.

Another very active volcano in Iceland, Mt. Hekla , earned the nickname Gateway to Hell a millennium ago. When Mt. Hekla erupts we call it a tourist eruption - when Mt. Katla erupts we call it a cataclysm!

Parts of Kötlujökull glacier

That is why we Icelanders fear it, not that many of us have witnessed it erupting though, as the last eruption took place in 1918. But we have heard stories ...

The ride is very scenic, through a ruggedly beautiful landscape with extraordinary contrasts. The pitch-black lava sand and the green mountains created a spectacular scene. Soon it was to become even more spectacular.

The track leading to the Katla glacier

For such sandy roads, the driver let some air out of the super jeep tires (to around 12-16 psi) as it gives the tires a wider grip on the sand. The same is done when driving on glaciers in Iceland.

I tell you this so that you know what is happening on your upcoming tour when the driver suddenly disappears and starts fiddling with the tires ;) 

On the way to the ice cave

Once we reached the Mýrdalsjökull glacier the glacier guides provided us with sturdy glacier crampons and helmets with headlights. One has got to appreciate the glacier crampons, they give us such good grips on the glacier hikes and inside the ice caves .

We now followed the guide on a short hike to the black icefall Kötlujökull - the Katla glacier. It is an easy hike, only 5-7 minutes or so. We crossed a few creeks, with meltwater from the glacier, and in some places, the glacier guides had fitted planks over the creeks to make it easier for us to cross.

The entrance to Katla ice cave

When we reached the ice cave, I immediately thought to myself that it looked like a scene out of Game of Thrones or Lord of the Rings. I was in awe just seeing the entrance to the cave. Don't you agree with me?

See also my travel-blog:  The Extraordinary Game of Thrones Locations I have visited on my Travels in Iceland

The glacier guides have carved steps into the glacier to make it easier to ascend into the ice cave. You also have ropes to hold onto so it is easy to enter the cave. Once inside you will have ropes and small bridges for your aid. 

Inside Katla ice cave looking out at the blue ice

These beautiful ice caves are formed in the glacier tongues when water from the melting glacier finds its way and carves an opening in the ice. Thus enabling us to have a rare peek inside. And in this instance to walk through a black and blue ice tunnel with beautiful shiny ice formations.

I love blue ice, which is the oldest part of the glacier. Why it is blue in color is explained in detail by Nanna in her fantastic article Ice Caves in Iceland - the Ultimate Guide . It is an essential read about glaciers and ice caves in Iceland in my opinion.

Our glacier guide picked up a piece of melting ice, shook it, and showed us some air bubbles trapped inside the ice

Inside the ice cave, you will see pitch black ash from different volcanic eruptions of Katla volcano through the centuries - ash which has been pressed into the ice and has never been seen before.

Since the Vikings settled Iceland back in 874 (give or take a few years) Katla has erupted some 20 times with the last big eruption taking place in 1918. So it must be due to erupt if there is a pattern to its eruptions. 

The year of the last eruption in Katla, 1918, was quite an annus horribilis for Icelanders as it gave us an extremely cold winter, referred to as Frostaveturinn mikl i  - the Winter of the extreme frost - with 27 polar bears from Greenland coming ashore!

At the same time, the Spanish flu invaded Iceland. I as an Icelander was in awe and felt like I was walking through a tunnel of Iceland's history when I walked through the ice cave looking at the old ash from the Katla eruptions.

Drinking the glacier - Icelandic Brennivín on the rocks - with ancient ice from the glacier

When we reached the end of the ice cave we came out through another opening - and were greeted with a refreshing Icelandic Brennivín schnapps on the rocks! Only the ice was age-old ice from the Kötlujökull glacier! Those who didn't want alcohol were offered water on the rocks.

I found it amazing being able to drink a toast to such forces of nature and  somehow on returning through the ice cave I stepped more lightly and fearlessly. Or maybe it was because I had the flu and the alcohol went straight to my head ;)

We spent an hour by the ice cave giving us ample time to take photos of every angle of the cave. And you can take some spectacular photos of the ice caves. My amateur photos don't even begin to show what professional photos can look like.

If you have a yellow coat then I would advise you to wear it during your visit to Katla ice cave. I wore my blue parka but noticed that the best photos were of my fellow travelers who were wearing yellow. It makes you pop out of the photo.

Yellow color stands out when visiting the ice caves

I didn't know whether to use the flash or not in the ice cave, so I took photos left and right with flash and without flash to see which ones would turn out better. The photos without the flash came out bluer, but with the flash, the ice lit up.

Most of my photos in this travel blog are taken with flash. The flash, on the other hand, lights up the ash as well and makes it look brownish.

The glaciers are constantly moving so the ice caves change every year. In previous travel blogs, I have shown you my visits to the seasonal crystal ice caves in Breiðamerkurjökull and Fláajökull glaciers, where the ice was blue and sparkling on the days I visited them.

The staff of Guide to Iceland taking in the beauty of the ice cave

Each time you visit the ice caves they will look different, so the photos I show you here are just what they looked like on the day of my visit.  You can see a selection of good photos of the ice caves at Katlatrack .

The seasonal ice caves are open from the beginning of November until the end of March each year and can be visited when the weather permits. We never know though if or where they are going to form.

Looking out from the Katla ice 

Some years the most beautiful ice caves form and are never to be seen again. And new ones appear. So it is always a new and exciting experience visiting an ice cave.

The Katla ice cave is open all year round . 

Icefalls move under their own weight and calve, so the glaciers and natural glacial ice caves cannot be visited without a trained and experienced glacier guide. We were in super good hands with the Katlatrack glacier guides.

By the entrance to Katla ice cave :)

Never try to enter an ice cave without a trained glacier guide , as they always check out the condition of the ice caves before they enter them with a group. Safety is of the utmost importance in ice caves.

Some of our volcanoes have female names - maybe because they are dangerous when they erupt ;) Icelandic folklore tells us how Katla got its name.

I found this folklore in Þjóðsögur Jóns Árnasonar - the Collection of Folklore of Jón Árnason , which is a compilation of folklores in five volumes, and translated it into English:

" It happened once upon a time that at Þykkvabæjarklaustur monastery an abbot living at the monastery had a cook called  Katla . She was a bad-tempered woman - she owned trousers, which were of the nature that anybody who put them on could run forever without feeling tired.  Katla used these trousers when needed.

The information sign in Katla Geopark  shows Katla running in the trousers

People were afraid of her witchcraft and her temperament and even the abbot feared Katla. At the monastery, there was a shepherd by the name of Barði. Katla would often scold him severely if any of the sheep   he was herding went missing.

One autumn the abbot went to a feast and Katla joined him. Barði, the shepherd, was ordered to round up all of the sheep prior to their return. But he wasn't able to track down all of the sheep.

Inside the Katla ice cave looking out at the photographer Iurie Belegurschi preparing his drone 

He then decided on putting on Katla's trousers and with the trousers, he was able to run and find all of the sheep. When Katla returned back home she noticed that Barði had taken her trousers!  

Find more folklore on Katla and the glacier bursts in my travel blog about the notorious Katla ​​​​​​

She then secretly took Barði and drowned him in a barrel of whey acid and left him there. Nobody knew where Barði had disappeared to, but later on, that same winter the whey acid in the barrel had little by little run out, and people heard Katla utter these words: "Senn bryddir á Barða" meaning "Soon Barði will appear".  

The view from Katla ice cave

Katla realized that her evilness would be uncovered and that she would be punished.  She then grabbed her trousers, ran out of the monastery, and headed northwest towards the glacier and apparently plunged into it and was never to be seen again.

But shortly after this happened  a flood burst from the glacier and headed in the direction of the monastery and Álftaver.  

The ice is blue, grey, and brown depending on how much ash there is trapped inside it

From then on people started believing that Katla was using her witchcraft and causing the floods. The rift was from then on named Kötlugjá or the Rift of Katla, and the area, which this flood had destroyed, was called Kötlusandur or the Sandplains of Katla" .

(Translated into English from Þjóðsögur Jóns Árnasonar - the Collection of Folklore of Jón Árnason)

Mt. Hafursey

Above you will see parts of the beautiful Hafursey opposite the ice cave. Hafursey is a palagonite mountain standing tall on the black sandplains of Mýrdalssandur. During one of the Katla eruptions, the glacial flood burst through a gorge in Hafursey on its way to the sea. 

Read much more about the glacial floods in my travel-blog on Katla Volcano & Kötlutangi Spit

In the Katla eruption in 1755, some 6 men were able to seek shelter in a cave in Hafursey with the glacier burst roaring outside. In my abovementioned travel-blog, you can read several stories on what happened to the inhabitants of this area during the glacier bursts.

Returning back to the jeeps after the thrilling experience of visiting an ice cave

The owners of this area are the same owners as of the historical Hjörleifshöfði , which I have told you about in other travel-blogs . They gracefully allow a few tour operators to offer guided tours into the Katla ice cave to show us its beauty.

Under the conditions though that it be tastefully done and that it will never become overly crowded and touristy. So that is what we can count on when visiting Katla ice cave :)

I love travelling in super jeeps and had a field day in the Katlatrack super jeeps ;)

Tours available by Katlatrack :

Katla Ice Cave Tour | Departure From Vík  - 4 hours

Fast Track Ice Caving Tour from Vík in South-Iceland  - 3 hours

Katla ice cave in 2021 - the one we visited earlier had collapsed and another one was discovered close by

Katla Ice Cave Tour - Departure from Reykjavík  - 10 hours

Under the Volcano - Super Jeep Tour from Vík

The Hidden Mountains - Super Jeep Tour from Vík  which takes you f.ex. to Þakgil Canyon

If you decide on visiting the Katla ice cave from Vík , then you can rent a car in Reykjavík   and drive to Vík in a couple of hours. It is located 187 km away from Reykjavík with many beautiful stops  on the way.

If you choose to be picked up in Reykjavík , then Katlatrack will stop by many of the sights on the south coast on the way to Vík. They will then continue driving up to the Kötlujökull glacier through the vast Mýrdalssandur sand plains.

Map from the Icelandic Land Survey

Sólheimajökull is another glacial tongue stretching out from Mýrdalsjökull glacier. Glacier hikes   are very popular on Sólheimajökull, which also sports a small glacial lagoon. You can see what a glacier hike is like in my travel blog:

Glacier Hike & Ice Climbing on Sólheimajökull glacier in South-Iceland

Have a fantastic time visiting the rare and beautiful ice caves of Iceland :)

See more blogs

Chasing Waterfalls in Iceland

Sænautasel Turf House in the Highland of Iceland

The Dynamic Plant Lupine

Secret waterfall on the South Coast

Midnight Sun Season in Kirkjufell

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Katla volcano.

Katla volcano, located near the southern end of Iceland's eastern volcanic zone, is hidden beneath the Myrdalsjökull icecap. Katla is one of Iceland's most active and most dangerous volcanoes, infamous for its large eruptions happening on average every 50-100 year, causing devastating glacial floods (jökullhlaups). In recent year, increased seismicity and inflation of Katla has been being measured. Katla, statistically due for a new eruption, is being very closely monitored and an eruption in a not too distant future would not come as a big surprise.

Latest nearby earthquakes

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Katla volcano (Iceland) - Smithsonian / USGS Weekly Volcanic Activity Report for 3 May-9 May 2023 (New Activity / Unrest)

Katla volcano (iceland): seismic swarm slowed down, alert status lowered to green.

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Katla Ice Cave | The Ice Cave Under the Volcano | Super Jeep Tour from Vik

No booking fee, best price guarantee, free cancellation, secure payments, fully licensed local tour operators, information.

Experience the awe-inspiring beauty of the Katla Ice Cave on a thrilling tour with a Super Jeep from Vík. Explore the natural wonder and witness the stunning ice formations as you journey deep into the cave. Book now for an unforgettable adventure!

• Visit a natural ice cave
• Katla Ice Cave
• Katla Volcano
• Myrdalsjokull Glacier
• Super Jeep ride through the highlands
• Eyjafjallajokull Glacier
• Small-Group Experience

About Tour - Katla Ice Cave

Visit the Natural Katla Ice Cave under Katla Volcano and Myrdalsjokull Glacier . The only natural ice cave that is accessible all year in Iceland.

• Katla Ice Cave is the only natural ice cave that is accessible all year. 
• This tour is also available with a pick up from Reykjavik. 
• The meeting point for this tour is in Vík, south Iceland. 

Take this Katla Ice Cave tour and experience some of the best things that Iceland has to offer in a single trip. From the rarest of the rare phenomena to the thrilling Super Jeep rides, the tour to Katla Ice Cave is the perfect mixture of adventure, thrill, beautiful sites, serene landscapes, and unfolding the seldom visited. Taking you through the “no man” road, this tour will travel through a few southern wonders of Iceland before you get to the main attraction of the tour. The lunar surroundings, the green moss-covered mountains, and the beautiful surrounding glaciers are a few sights that you can expect to experience on this fabulous tour.

About Katla Ice Cave

Katla ice cave is one of the most recently discovered ice caves of Iceland. While most caves are crystal and blue ice cave in Iceland, the Katla ice cave is a ‘black ice’ cave. Also popularly known as “Dragon Glass” ice cave , Katla ice cave is one of a kind. The name “Dragon Glass Ice Cave” became even more popular after its appearance in the popular show Game of Thrones . The appearance is uncanny and the formation process is also somewhat related. The ice cave is located in Katla volcano , one of the most active volcanos in Iceland. A very little amount of light enters these caves and whatever amount manages to get it creates a fabulous combination of colors.

• Meet your Glacier Guide in Vík 10-15 min before departure
• 40 min Super Jeep Ride
• 10-15 min walk to the ice cave
• 60 min ice cave exploration
• 10-15 min walk to the super jeep
• 40 min Super Jeep ride back to Vík
• Transfer back to Reykjavik

The Katla Ice Cave Tour

The trip will start at Vik which is popular for its black sand beach and basalt columns.  You will be taken on a Super Jeep to the “no man” road. This bumpy road will be traveled in a super jeep which is exhilarating beyond comprehension. The sights are out-of-the-world, much like the highlands, so you will feel like you are getting a sneak peek into the harshest part of the land of ice and fire.

Katla volcano is located underneath the glacier Kötlujökull which is an outlet glacier of Mýrdalsjökull glacier . The ice cave is located in the cavity of the volcano. And this is where you will get face to face with the ice cave.

As soon as you arrive at the foot of the glacier, you will be briefed about the necessary equipment that you need to put on before accessing the cave. Your tour guide will make you understand how each piece of equipment works and will help you put it on. After you and the guide have made sure that you are all set with the equipment, you will take a short walk on the glacier to get to the mouth of the “dragon glass” ice cave.

You will be accompanied by your tour guide at all times who will not only supervise your journey but also provide you with various facts about the black ice cave of Katla volcano . While there is a certain type of thrill in visiting an ice cave, taking a walk on a glacier and traveling the bumpiest of roads in a humongous super jeep, the biggest thrill of this trip lies in witnessing one of the rarest and the most eccentric ice caves of Iceland. That too while walking on Iceland’s most active volcano.

If you are a beginner in the game of ice caving then don’t worry. Our expert guides will ensure your safety and train you in the techniques required for your tour. 

• Pick-up & Drop-off in Vík
• Professional English Speaking Tour Guide
• Super Jeep Ride
• Visit to Katla Ice Cave
• Crampons for walking on glacier.
• All safety equipment. 

What to bring

• Warm & waterproof outdoor clothing
• Good hiking shoes are recommended
• Waterbottle
• Gloves & Headwear
• Camera (optional)

Good to know

• This tour is operated in small groups.
• The meeting point for the tour is inside the restaurant of the Icelandic Lava Show in Vík.
• It is also possible to join the Katla Ice Cave tour with a pick up in Reykjavik. You can check it out here.
• Ice caves are a dynamic natural phenomena. New unique caves are formed in different areas of the glacier. We visit a naturally formed ice cave during this tour.
• There’s a 40-minute jeep ride to the glacier, then a 10-15 minute hike before reaching the Ice Cave.
• We recommend using the restroom at the meeting point in Vík before the tour starts. 

Meeting Point

Map of the tour

Interesting locations in the area

• Reynisfjara Black Beach
• Vík village
• Sólheimasandur Plane Wreck
• Crystal Ice Cave
• Sólheimajökull glacier hike
• Sólheimajökull glacier hike & ice climbing
• Snowmobile Myrdalsjokull
• Sólheimajökull glacier lagoon kayaking

Hotels & Restaurants

• Black Beach Suies
• Smiðjan Brugghús
• The Soup Company

Most frequent questions and answers

The meeting point for this tour is  inside   the restaurant at the Icelandic Lava Show . To find the exact location and directions you can look up “Icelandic Lava Show” on Google Maps or you can click  here . Your guide will be waiting for you by our Super Jeep with a sign saying with the name of the tour.

Click on “Directions” the map for the exact location and driving directions.

We will see you at our meeting point, 20 minutes before the departure time stated on your ticket. Please note that if you arrive after departure time, your place on the tour can’t be guaranteed or refunded.

Driving time to Vík from Reykjavík is around 2 hours and 30 minutes in good road conditions. If you arrive early, you can stay inside the restaurant which offers free parking and has restrooms.

We encourage bringing hiking boots for glacier tours. They have to be hard on the sole and tight around the ankle. Unfortunately, we don’t have the option to rent hiking boots for the Katla Ice Cave Tour from Vík for the moment.

Weather in Iceland is very unpredictable. For tours during winter: warm clothing as first layer, waterproof jacket with a hoodie, hiking boots with ankle protection and hard sole, a hat and gloves are ideal. For tours during summer, bringing a light rain jacket or a soft shell with a hoodie is in most cases enough protection. Icelanders often say, “If you don’t like the weather, just wait 5 minutes”. Jeans are not recommended for the tour as they become very heavy, cold and uncomfortable to wear when they get wet.

It rains a lot in Iceland, but we do not let rain stop us from going out and enjoy nature. All we need to do is choose our clothing wisely, which is why we recommend wearing waterproof clothing as the second layer. Of course, safety is our #1 priority. In case of extreme weather conditions, we will cancel our tours and do our best to reschedule. In these cases, you’ll receive a full refund.

This is a personal choice. We have had pregnant women on our glacier hikes and we always recommend you read the description of the activity to get a better idea. In any case, feel free to contact our Service Team for further questions and concerns.

From ISK 27,900

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How to get to Katla: The ice cave that gives its name to the Netflix series

This post is also available in: Español

• 1 Where is Katla Cave?
• 2.1 Shared tour
• 2.2 Private tour
• 2.3 Going to Katla Ice Cave by car
• 3 The key: Getting to the town of Vik
• 4 Can I get to Katla by public transport?
• 5.1 Related posts:

If you haven’t been living under a rock in the last few months you’ve probably heard about Katla, the new Netflix series. If you’ve already seen it and would like to visit the Katla ice cave that gives the series its name, here’s how you can do it.

Where is Katla Cave?

Located in the south of Iceland, in the region of Vestur-Skaftafellssýsla, the Katla volcano is one of the most impressive locations that have appeared lately in Netflix series. And is that the spectacular caldera of 10 kilometers in diameter will leave you breathless. The nearest town is Vik, which in turn, is located more than 185 km from the capital Reykjavik and is the southernmost town in the country.

How to get to Katla?

If you want to visit Katla Cave, we recommend you to do it through one of these three options:

Shared tour

One of the best and most popular options is to visit the mýrdalsjökull glacier (where the cave is located) with a shared tour. These tours usually depart from the nearby town of Vik and are characterized by taking a group of people, which can be more or less reduced depending on the chosen tour.

The trip is done in specialized vehicles and with experienced drivers , which makes the transfer to the volcano and the natural ice cave much safer . The most interesting sites are usually visited, and in addition, having a guide will explain everything we have to see and the most important aspects of the place.

There are also very interesting options that may be more comfortable with departure from the capital, Reykjavik.

Private tour

The second option to visit this incredible place is through a private tour . Unlike the shared tours, in the private tour only you and your group travel together with a guide, so you can adapt certain things to your tastes or needs.

Most private tours offer the transfer in super Jeep , SUVs with much more power. In addition, there are options that depart from both the country’s capital and the town of Vik, 30 minutes from Katla. Depending on the tour you choose, you can also find some that take you to Reynisfjara, the spectacular black sand beach of volcanic origin that is located near Vik.

Going to Katla Ice Cave by car

Although this option is not so common, there are those who decide to go to the volcano and the ice caves on their own with a rental car. It is an option that is not usually highly recommended since the trails and access roads to the volcano, as well as the visit to the ice cave, may have some danger if you do not take the necessary precautions and do not know the terrain. After all, we are in a wilderness terrain.

The most common option for those who have rented a car in Iceland, is to travel to Vik and once there, hire one of the tours to visit the volcano and the ice caves.

The key: Getting to the town of Vik

Whichever option you choose, the key to getting to know these ice caves is to get to Vik first . There are different options for getting to Vik from Reykjavik: you can arrive by bus, by rental car or, as is most common, as part of the tour route departing from Reykjavik.

To get to Vik you have to use one of the most important roads in the country, the Ring Road or Hringvegur , Iceland’s ring road. The journey takes about two hours .

Can I get to Katla by public transport?

No, at the moment there are no public transport routes that go from any town in Iceland to Katla volcano. The only recommended way to get there is by tour, as these are safe and their operators know the terrain very well. The only public transport routes are those that connect Vik with other nearby towns by bus.

What you should know when you arrive in Katla

• It’s cold : The weather in Iceland is mild but cold, and you will be visiting an ice cave, so it is necessary to bring warm clothes.
• You need the right gear : Along with winter clothing, you need to bring the right gear with you. Hiking boots are essential to avoid slipping on the ice, it is also advisable to bring waterproof pants because having wet legs or body in the cold glacier is dangerous.
• Minimum age : The tour is usually a bit challenging at some points, so the minimum recommended age to visit the caves is 12 years old.
• You’re going to walk : If you want to see all the colors and scenery where both Game of Thrones and the Netflix series Katla were filmed, you’re going to have to walk. Although an athlete’s condition is not necessary, you should be prepared to walk throughout the visit.

Related posts:

Journalist and traveler. Laura has traveled around Iceland several times and is in love with its nature, especially the northern lights. She loves the cold, the icebergs and says that at some point she will move to the land of ice. For now she tells us about her adventures traveling around the island.

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Most recent weekly report: 3 may-9 may 2023 cite this report.

Iceland Met Office (IMO) reported that an intense seismic swarm began at Katla at 0941 on 4 May with three earthquakes larger than M 4 occurring beneath the caldera within about 10 minutes. The Aviation Color Code was raised to Yellow, the second lowest level on a four-color scale. According to a news article the three largest events were magnitudes 4.8, 4.7, and 4.5, adjusted from previous estimates of 4.5, 4.3, and 4.2. The larger earthquakes were felt in Thórsmörk and by residents in areas S of Mýrdalsjökull glacier (the glacier that covers Katla). The intensity of the events decreased after noon, though smaller earthquakes continued. Seismicity had decreased significantly by the next day with only five events recorded during 0000-0915 on 5 May. In an update posted at 1140 the activity was described as normal, and the Aviation Color Code was lowered to Green. More than 40 earthquakes had been recorded during the previous day and no other data indicated significant changes or anomalies. It was noted that the magnitudes were unusually large and similar to events that last occurred in 2016.

Sources: Icelandic Meteorological Office (IMO) , Iceland Monitor

Most Recent Bulletin Report: November 2011 (BGVN 36:11) Cite this Report

Jökulhlaup and elevated seismicity in 2011; filming sparks eruption fears

Microseismicity preceded and accompanied a jökulhlaup (a glacier-outburst flood) on 9 July 2011, as reported by the Iceland Met Office (IMO). The jökulhlaup escaped from under Mýrdalsjökull, the glacier that rests above Iceland's Katla volcano, its 10 x 14 km caldera, and environs (figure 4). IMO reported that microseismicity was registered near several ice cauldrons in the caldera for a few weeks prior to the event (figure 5). Peak harmonic tremor on 8 July coincided with rising water levels and increased water conductivity, as measured by the main flood gauge (figure 6; gauge is at red triangle on figure 4).

IMO reported that, on the same day, the main flood gauge was damaged when flood waters reached the instrument near midnight; another station, normally not in the water, started recording rising water around 0400 on 9 July, and the water level there rose 5 m within 5 minutes (figure 7). When the flood reached the main road approximately one hour later, the main bridge over the Múlakvísl river was destroyed and the road was closed (red triangle, figure 41).

According to the news source Morgunblaðið , 200 people were safely evacuated, and allowed to return to their homes by that afternoon. Morgunblaðið reported that analysis of the flood waters indicated that the flood was caused by geothermal water, but that a sub-glacial eruption at Katla could not be ruled out. IMO stated that the harmonic tremor declined on 9 July, following the jökulhlaup event. After observational flights, new cracks and cauldrons were reported in the ice of Mýrdalsjökull glacier (figure 8).

By 16 July, the National Commissioner of Icelandic Police in the Department of Civil Protection and Emergency Management reported that a new bridge had been built to replace the bridge destroyed in the jökulhlaup (figure 9).

August-December seismicity. IMO reported increased seismicity under Mýrdalsjökull in October (figure 10). They reported that 512 earthquakes occurred, with ~ 380 originating within the Katla caldera; a large portion (nearly 100) of those 512 earthquakes occurred on one day near the beginning of October (figure 11). The largest reported earthquake was M 4, with seven being larger than M 3. On 8 November, an M 3.2 earthquake that originated in the S most part of the caldera was felt by residents in the town of Vík.

Overall, following the July 2011 jökulhlaup event, seismicity has increased above background levels of the past year. The seismic peak is noticeable with respect to the number of earthquakes, their largest magnitudes, and the clustering under Katla (figures 10 and 11). The largest earthquakes were as large, or slightly larger, than the other earthquakes of M 3 or greater in earlier episodes of unrest (i.e., 1999 and 2002-2004, figure 10). The bulk of the 2011 seismic increase occurred over a shallow depth range (within 4 km of the surface, figure 12).

Television filming sparks eruption fears. The Iceland Review reported that, in the early morning of 9 December, the Icelandic emergency hotline received calls from residents reporting bright lights on the slopes of Mýrdalsjökull. Callers feared that an eruption had started at Katla. The bright lights had also been noticed on a webcam by observers in Norway, who also enquired if there was an eruption. When the glacial slopes were inspected to find the cause of the lights, it was discovered that they were from film crews for the HBO series "Game of Thrones", who were filming in the early morning to capture the desired light conditions.

Information Contacts: Einar Kjartansson , Iceland Met Office (IMO), Bústaðavegi 9, 150 Reykjavík, Iceland (URL: http://en.vedur.is/); National Commissioner of the Icelandic Police-Department of Civil Protection and Emergency Management , Skúlagata 21, 101 Reykjavík, Iceland (URL: http://www.almannavarnir.is/); Ginkgo Maps (URL: http://ginkgomaps.com/); Morgunblaðið , Hádegismóum 2, 110 Reykjavík, Iceland (URL: http://mbl.is/); Icelandic Coast Guard , Skógarhlíð 14, 105 Reykjavík, Iceland (URL: http://www.lhg.is/); John A. Stevenson (URL: http://all-geo.org/volcan01010/); The University of Edinburgh School of Geosciences (URL: http://www.ed.ac.uk/schools-departments/geosciences); The Iceland Review , Borgartúni 23, 105 Reykjavík, Iceland (URL: http://www.icelandreview.com/).

Weekly Reports - Index

2023: May 2017: July 2016: August | September 2011: July | October

3 May-9 May 2023 Cite this Report

Sources: Icelandic Meteorological Office (IMO) ; Iceland Monitor

26 July-1 August 2017 Cite this Report

On 29 July the Iceland Met Office (IMO) reported that a glacial outburst flood (jökulhlaup) in the Múlakvísl river, SE of Katla, had begun, and a M 3 earthquake along with a few smaller earthquakes were located in the N part of the caldera. Nearby seismic stations detected tremor possibly linked to the flood, though a subglacial volcanic component was not ruled out. The Aviation Color Code was raised to Yellow, the second lowest level on a four-color scale. The public was advised to stay away from the river; it was dark colored and had a sulfur odor. By 31 July the jökulhlaup had subsided with conductivity measurements and tremor slowly reaching normal levels. The Aviation Color Code was lowered to Green.

Source: Icelandic Meteorological Office (IMO)

28 September-4 October 2016 Cite this Report

The Iceland Met Office (IMO) reported that an intense seismic swarm began at Katla on 29 September. The activity intensified again at 1202 on 30 September with tremor and several earthquakes M 3 or larger. The Aviation Color Code was raised to Yellow, the second highest level on a four-color scale. On 3 October IMO stated that the seismic swarm was the largest one in decades, though it appeared to be over. According to a news article from 3 October popular travel destinations near the glacier had been and remained closed to traffic.

Sources: Icelandic Meteorological Office (IMO) ; Iceland Magazine

31 August-6 September 2016 Cite this Report

The Iceland Met Office (IMO) reported that seismic activity within Katla's caldera had increased in mid-June and then began to decline. On 29 August two earthquakes of about M 4.5 occurred in the NE part of the caldera, the largest earthquakes detected at Katla since 1977. The ensuing swarm that same day produced over 100 earthquakes, the largest of which was M 3.3. Seismicity was low after the swarm had ended. Throughout the summer, electrical conductivity levels in the Múlakvísl River, which drains from the E side of the Mýrdalsjökull glacier that covers Katla, had remained unusually high, reflecting a constant source of geothermal meltwater. There had also been frequent reports of a sulfur odor close to Múlakvísl; gas measurements near the source of Múlakvísl revealed unhealthy levels of hydrogen sulfide, also indicating high concentrations of geothermal fluids. IMO noted that the recent earthquake activity does not appear to have significantly affected conductivity levels in Múlakvísl. IMO stated that summertime increases in caldera seismicity are an almost annual occurrence at Katla, often associated with the drainage of geothermal meltwater causing minor floods in glacial rivers from Mýrdalsjökull.

12 October-18 October 2011 Cite this Report

The Iceland Met Office reported increased seismic activity within Katla's caldera. Unrest was first noted in July, when a short-lived glacial flood burst from the Myrdalsjökull glacier that covers Katla occurred in connection with increased seismicity. Since then, several hundred micro-earthquakes had taken place within the area of the caldera. On 5 October an intense earthquake swarm was detected. Most of the earthquakes originated at 5 km depth; the largest one was approximately a M 3.7.

6 July-12 July 2011 Cite this Report

The Iceland Met Office and news sources reported that on 9 July a jökulhlaup from Myrdalsjökull, the ice sheet that covers Katla, originated from three ice cauldrons in the SE part of the caldera. During previous weeks microseismicity had been registered near several of the ice cauldrons. Around the time of peak harmonic tremor, in the early evening on 8 July, the Myrdalsjökull flood monitoring system indicated increased conduction. The water level reached the bridge around midnight and damaged the sensors. According to news articles, one new cauldron that had formed, along with cracks in the glacier around the cauldrons, may have been caused by a small eruption at Katla although no evidence of an eruption was observed. The jökulhlaup had destroyed a 128-m-long bridge and caused damage, resulting in the closing of part of the Ring Road. About 200 people were evacuated from the area but allowed to return home later that day. On 10 July the water had subsided and returned to normal levels.

Sources: Iceland Review ; Iceland Review ; Iceland Review ; Icelandic Meteorological Office (IMO) ; Morgunbladid News

Bulletin Reports - Index

Reports are organized chronologically and indexed below by Month/Year (Publication Volume:Number), and include a one-line summary. Click on the index link or scroll down to read the reports.

11/1977 (NSEB 02:11) Annual seismic energy release, 1970-September 1977

09/1999 (BGVN 24:09) Tremor in mid-July followed by a jökulhlaup and ice cauldron formation

11/2011 (BGVN 36:11) Jökulhlaup and elevated seismicity in 2011; filming sparks eruption fears

Information is preliminary and subject to change. All times are local (unless otherwise noted)

November 1977 (nseb 02:11) cite this report.

Annual seismic energy release, 1970-September 1977

Figure 1 shows annual seismic strain release from 1970-September 1977 in the Myrdalsjökull area. After 1977, the annual strain release was similar to that of 1970-74.

Information Contacts: R. Stefánsson , Icelandic Meteorological Office.

September 1999 (BGVN 24:09) Cite this Report

Tremor in mid-July followed by a jökulhlaup and ice cauldron formation

In the early morning of 18 July, a small jökulhlaup (sudden glacier-outburst flood) lasting less than 24 hours, occurred in "Jökulsá á Sólheimasandi," one of the rivers draining from the Mýrdalsjökull icecap (figure 2) towards the S. Inspection of the icecap revealed that a new ice cauldron, ~2 km wide, and 50 m deep, had formed just above the origin of the Sólheimajökull outlet glacier. The jökulhlaup was preceded on 17 July by a 20-minute-long burst of modest volcanic tremor (reported by P. Einarsson). Intrusion of magma at a low level within the subglacial Katla volcano or even a small subglacial eruption may have occurred, possibly associated with pulse of CO 2 which could have caused boiling in geothermal areas under the icecap.

From 18 July until mid-August, ten new ice cauldrons formed along the W, S, and E borders of the Mýrdalsjökull caldera (figure 3), signifying increased geothermal activity along a large part of the caldera rim. Changes on the icecap surface have been reported for some of the earlier eruptions of Katla, and the current activity could be a possible long-term precursor to a new eruption. A flight over the area on 9 September by Reynir Ragnarsson at Vík, revealed that the ice cauldrons did not develop much after mid-August.

Information Contacts: Rósa Ólafsdóttir , Guðrún Sverrisdóttir , Freysteinn Sigmundsson , Erik Sturkell , and Níels Óskarsson , Nordisk Vulkvanologisk Institut, Grenásvegur 50, 108 Reyjavík, Iceland (URL: http://nordvulk.hi.is); Helgi Björnsson , Páll Einarsson , and Magnús Tumi Guðmundsson , Science Institute, University of Iceland, Dunhaga 3, 107 Reykjavík, Iceland (URL: http://www.raunvis.hi.is/); Ármann Höskuldsson , South Iceland Institute of Natural History, Strandvegur 50, 900 Vestmannaeyjar, Iceland (URL: https://www.nattsud.is/).

November 2011 (BGVN 36:11) Cite this Report

This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.

There is data available for 128 confirmed Holocene eruptive periods.

[ 1999 Jul 17 (?) - 1999 Aug 15 ± 5 days ] Uncertain Eruption

[ 1955 Jun 25 ] Uncertain Eruption

1918 Oct 12 - 1918 Nov 4 Confirmed Eruption Max VEI: 4

1860 May 8 - 1860 May 27 Confirmed Eruption Max VEI: 4

1823 Jun 26 - 1823 Jul 23 Confirmed Eruption Max VEI: 3 (?)

1755 Oct 17 - 1756 Feb 13 Confirmed Eruption Max VEI: 5 (?)

1721 May 11 - 1721 Oct 15 ± 45 days Confirmed Eruption Max VEI: 5 (?)

1660 Nov 3 - 1661 Confirmed Eruption Max VEI: 4

1625 Sep 2 - 1625 Sep 14 Confirmed Eruption Max VEI: 5

1612 Oct 12 Confirmed Eruption Max VEI: 4

1580 Aug 11 Confirmed Eruption Max VEI: 4

1550 (?) Confirmed Eruption Max VEI: 4

1500 (?) Confirmed Eruption Max VEI: 4

1450 ± 50 years Confirmed Eruption  

1440 Confirmed Eruption Max VEI: 4

1416 Confirmed Eruption Max VEI: 4 (?)

1357 ± 3 years Confirmed Eruption Max VEI: 4

1311 Jan 18 Confirmed Eruption  

1262 Confirmed Eruption Max VEI: 5

1245 Confirmed Eruption Max VEI: 4

1210 (?) Confirmed Eruption Max VEI: 4

1177 ± 2 years Confirmed Eruption Max VEI: 3

1150 ± 50 years Confirmed Eruption  

[ 1000 (?) ] Discredited Eruption

0960 (?) Confirmed Eruption Max VEI: 3

0950 (?) Confirmed Eruption  

0934 ± 2 years - 0940 (?) Confirmed Eruption Max VEI: 4 (?)

0920 Confirmed Eruption Max VEI: 4

[ 0904 (?) ] Uncertain Eruption

0820 (?) Confirmed Eruption  

0780 (?) Confirmed Eruption  

0680 (?) Confirmed Eruption  

0610 (?) Confirmed Eruption  

0590 (?) Confirmed Eruption  

0540 (?) Confirmed Eruption  

0500 (?) Confirmed Eruption  

0400 (?) Confirmed Eruption  

0290 (?) Confirmed Eruption  

0270 ± 12 years Confirmed Eruption Max VEI: 3

0260 (?) Confirmed Eruption  

0200 (?) Confirmed Eruption  

0130 (?) Confirmed Eruption  

0030 (?) Confirmed Eruption  

0080 BCE (?) Confirmed Eruption  

0250 BCE (?) Confirmed Eruption  

0370 BCE (?) Confirmed Eruption  

0430 BCE (?) Confirmed Eruption  

0530 BCE (?) Confirmed Eruption  

0550 BCE (?) Confirmed Eruption  

0560 BCE (?) Confirmed Eruption  

0600 BCE (?) Confirmed Eruption  

0650 BCE (?) Confirmed Eruption  

0700 BCE (?) Confirmed Eruption  

0740 BCE (?) Confirmed Eruption  

0780 BCE (?) Confirmed Eruption  

0850 BCE ± 50 years Confirmed Eruption Max VEI: 4

0860 BCE (?) Confirmed Eruption  

0920 BCE (?) Confirmed Eruption  

0990 BCE (?) Confirmed Eruption  

1160 BCE (?) Confirmed Eruption  

1190 BCE (?) Confirmed Eruption  

1220 BCE ± 12 years Confirmed Eruption Max VEI: 3

1280 BCE (?) Confirmed Eruption  

1290 BCE (?) Confirmed Eruption  

1440 BCE ± 40 years Confirmed Eruption Max VEI: 4

1540 BCE (?) Confirmed Eruption  

1640 BCE (?) Confirmed Eruption  

1670 BCE (?) Confirmed Eruption  

1700 BCE (?) Confirmed Eruption  

1850 BCE (?) Confirmed Eruption  

1910 BCE (?) Confirmed Eruption  

1920 BCE (?) Confirmed Eruption Max VEI: 4

1950 BCE (?) Confirmed Eruption  

2000 BCE (?) Confirmed Eruption  

2020 BCE (?) Confirmed Eruption  

2050 BCE (?) Confirmed Eruption  

2110 BCE (?) Confirmed Eruption  

2160 BCE (?) Confirmed Eruption  

2190 BCE (?) Confirmed Eruption  

2220 BCE (?) Confirmed Eruption  

2250 BCE (?) Confirmed Eruption  

2420 BCE (?) Confirmed Eruption  

2480 BCE (?) Confirmed Eruption  

2540 BCE (?) Confirmed Eruption  

2680 BCE (?) Confirmed Eruption  

2850 BCE (?) Confirmed Eruption  

2920 BCE (?) Confirmed Eruption Max VEI: 3

3180 BCE (?) Confirmed Eruption  

3280 BCE (?) Confirmed Eruption  

3370 BCE (?) Confirmed Eruption  

3390 BCE (?) Confirmed Eruption  

3480 BCE (?) Confirmed Eruption  

3510 BCE (?) Confirmed Eruption  

3640 BCE (?) Confirmed Eruption  

3670 BCE (?) Confirmed Eruption  

3720 BCE (?) Confirmed Eruption  

3790 BCE (?) Confirmed Eruption  

3810 BCE (?) Confirmed Eruption  

3930 BCE (?) Confirmed Eruption  

4060 BCE (?) Confirmed Eruption  

4210 BCE (?) Confirmed Eruption  

4240 BCE (?) Confirmed Eruption  

4280 BCE (?) Confirmed Eruption  

4370 BCE (?) Confirmed Eruption  

4430 BCE (?) Confirmed Eruption  

4610 BCE (?) Confirmed Eruption  

4660 BCE (?) Confirmed Eruption  

4750 BCE (?) Confirmed Eruption  

4810 BCE (?) Confirmed Eruption  

4880 BCE (?) Confirmed Eruption  

5020 BCE (?) Confirmed Eruption  

5040 BCE (?) Confirmed Eruption  

5070 BCE (?) Confirmed Eruption  

5180 BCE (?) Confirmed Eruption  

5230 BCE (?) Confirmed Eruption  

5360 BCE (?) Confirmed Eruption  

5460 BCE (?) Confirmed Eruption  

5470 BCE (?) Confirmed Eruption  

5550 BCE (?) Confirmed Eruption  

5560 BCE (?) Confirmed Eruption  

5630 BCE (?) Confirmed Eruption  

5710 BCE (?) Confirmed Eruption  

5720 BCE (?) Confirmed Eruption  

5730 BCE (?) Confirmed Eruption  

5850 BCE (?) Confirmed Eruption  

5890 BCE (?) Confirmed Eruption  

5960 BCE (?) Confirmed Eruption  

6050 BCE (?) Confirmed Eruption  

6170 BCE (?) Confirmed Eruption  

6200 BCE (?) Confirmed Eruption  

6230 BCE (?) Confirmed Eruption  

6380 BCE (?) Confirmed Eruption  

There is data available for 1 deformation periods. Expand each entry for additional details.

Deformation during 1993 - 2004 [Uplift; Observed by GPS]

Reference List: Sturkell et al. 2006.

Full References:

Sturkell, E., F. Sigmundsson, and R. Slunga,, 2006. 1983-2003 decaying rate of deflation at Askja caldera: Pressure decrease in an extensive magma plumbing system at a spreading plate boundary. Bull. Volc., 68, 727-735.

There is no Emissions History data available for Katla.

GVP Map Holdings

The maps shown below have been scanned from the GVP map archives and include the volcano on this page. Clicking on the small images will load the full 300 dpi map. Very small-scale maps (such as world maps) are not included. The maps database originated over 30 years ago, but was only recently updated and connected to our main database. We welcome users to tell us if they see incorrect information or other problems with the maps; please use the Contact GVP link at the bottom of the page to send us email.

Smithsonian Sample Collections Database

There are no samples for Katla in the Smithsonian's NMNH Department of Mineral Sciences Rock and Ore collection .