Ice Cave Lofthellir exploration – A permafrost Cave inside a magma tunnel.

REVIEW · REYKJAHLID

Ice Cave Lofthellir exploration – A permafrost Cave inside a magma tunnel.

  • 5.021 reviews
  • 4 hours 30 minutes (approx.)
  • From $410.48
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Crawl into a frozen lava tube world. Ice Cave Lofthellir is an active, geology-focused outing in Iceland’s volcanic north, where you walk and slide through ice inside a lava cave created by volcanic forces. The spot is at Reykjahlíð near Mývatn, and the experience is guided in English with entry to Lofthellir included.

I especially like the way this tour teaches you what you’re seeing. You’re not just looking at ice—you’re getting the story of the volcanic outback that shaped the Mývatn area. I also like the small group size (max 10), because it means you get real attention when the cave gets tight and slippery.

One big consideration: this is not a stroll. Expect tight spaces, you’ll need to squeeze and crawl, and there’s sliding on icy sections, so claustrophobia or limited mobility can make this a tough match.

Key things I’d tell a friend before you go

Ice Cave Lofthellir exploration - A permafrost Cave inside a magma tunnel. - Key things I’d tell a friend before you go

  • Permafrost-in-a-lava setting: Ice inside a magma-tunnel cave gives you a rare mix of geology and cold-weather adventure.
  • Small group, real guidance: With up to 10 people, your guide can help you navigate awkward spots and ropes.
  • About 2 hours in the cave: Most of the time gets spent in Lofthellir, where you’ll move on ice chutes and around tight rock.
  • Off-road volcanic outback drive: You’ll travel through the Lúdendtarborgir volcanic area on the way.
  • Come ready to get hands-on: Waterproof gloves and warm layers matter a lot once you’re down in the cave.

Ice Cave Lofthellir: what’s special about a permafrost lava cave

Ice Cave Lofthellir exploration - A permafrost Cave inside a magma tunnel. - Ice Cave Lofthellir: what’s special about a permafrost lava cave
This isn’t a “look from behind a railing” attraction. Lofthellir is a working cave experience—the kind where your legs, balance, and careful movement matter. You’ll spend time in darkness and cold, and the ice formations feel more physical than photo-friendly.

What makes it genuinely interesting is the pairing of two forces that don’t normally share the same story: lava tunnels (hot and volcanic) and permafrost/ice conditions (cold and frozen). Standing in that contrast, you get why Iceland’s geology is so hands-on. It’s not just rocks; it’s systems that keep changing.

I also like that the tour keeps the focus on learning. The guide talks about the volcanic outback you pass through before you even reach the cave, so the cave itself has context.

You can also read our reviews of more tours and experiences in Reykjahlid.

The drive from Mývatn to Reykjahlíð: more than just getting there

Ice Cave Lofthellir exploration - A permafrost Cave inside a magma tunnel. - The drive from Mývatn to Reykjahlíð: more than just getting there
Your day starts at the Mývatn hotel area near Berjaya Iceland Hotels at Reynihlíð (the meeting point listed is right by Mývatn). You’ll then head out on a rugged off-road drive.

This matters more than you might think. The Iceland north isn’t “drive and see” in the same way as the Golden Circle. On this trip, the road experience is part of the theme: you’re traveling through the volcanic outback of Lúdendtarborgir, the volcanic area tied to how the Mývatn region was formed. Even if you’re mainly here for the cave, that context helps you appreciate what you’ll see next.

Total duration is about 4 hours 30 minutes. The cave time is around 2 hours, so the day is paced like an expedition rather than a quick stop.

Entering Lofthellir: what the cave actually feels like

Once you reach Lofthellir Lava Cave, you get pulled into a world of ice and rock—cold, dark, and active. The cave is the main event, and that’s where the safety and mobility side of the tour becomes real.

Here’s the honest picture: expect to squeeze through tight sections, crawl in places, and move along ice chutes. It’s not constant wriggling for the whole time, but you should plan for it. One person’s warning that stuck with me is that you may slide and end up on your back a few times—meaning you’ll want to stay calm, listen closely, and move only when the guide signals.

This is also where the small group size pays off. With a group max of 10, the guide can manage the flow and assist when needed, including route tips around the rope areas.

The guide factor: when local geology becomes clear

You’ll learn more about Iceland from your guide, and that’s one of the main reasons this tour works. Iceland geology can feel abstract until you’re literally in the material it talks about.

In the feedback I saw, guides were praised for being knowledgeable, and one guide named Thristy (spelling as written) was called out for local info and keeping composure in a loud, chaotic moment. That kind of calm matters in a cave setting, where people naturally get excited or nervous.

If you like explanations—how volcanic features connect to what you see—this is the kind of tour where the “why” lands, not just the “what.”

What to wear and bring for ice, ropes, and tight crawling

Ice Cave Lofthellir exploration - A permafrost Cave inside a magma tunnel. - What to wear and bring for ice, ropes, and tight crawling
This tour is cold and physical, so your clothing choices decide how much fun you’ll actually have.

Here’s a practical setup I recommend based on the strongest advice from past guests:

  • Wear wool socks to keep warmth stable even if you get damp.
  • Use a shell/waterproof outer layer so wind and moisture don’t steal heat.
  • Bring waterproof gloves. Ice conditions can make bare hands miserable fast.
  • Consider your camera strategy. If you’re carrying a bigger backpack, plan to secure it so you can move easily. In tight spaces, you may need your hands free, and the tour’s setup can mean stowing larger items rather than bringing everything down with you.

Also, pack like you’ll be moving on cold surfaces. Your boots and traction matter, and your plan should be simple: warm layers, waterproof protection, and nothing bulky that slows you down.

Off-road volcanic outback: Lúdendtarborgir and why you’ll care

The drive through the volcanic outback of Lúdendtarborgir isn’t just scenic. It’s a lead-in to the cave experience.

You’ll pass through terrain shaped by the volcanic forces that created the Mývatn area. That matters because Lofthellir isn’t random ice. The cave is part of the same volcanic story, with lava creating tunnels that later hold cold conditions.

If you’re the type who likes to make connections—how one place explains another—this part of the day will feel useful, not filler.

Physical fitness: you need mobility, not just stamina

Moderate physical fitness is the requirement, but here’s what that really means in plain terms: you need comfort with awkward movement. Tight spaces are part of the deal, and there’s ice sliding.

If you have claustrophobia, limited mobility, or strong trouble with crawling and squeezing, I’d think twice. It’s not dangerous when run properly, but it is demanding.

If you’re generally active, can handle cold, and don’t mind being a bit unglamorous for a couple hours, you’ll likely enjoy the workout-style adventure.

Small group size (max 10) and your real payoff: attention

Ice Cave Lofthellir exploration - A permafrost Cave inside a magma tunnel. - Small group size (max 10) and your real payoff: attention
This tour is described as private with a maximum of 10 travelers. That’s not just a comfort detail—it changes how the experience feels.

In a cave, timing and guidance matter. A small group means:

  • less waiting in bottlenecks,
  • more ability for the guide to help when someone hesitates,
  • a safer flow through tight sections.

It also means you’re more likely to get direct answers from your guide, especially if you’re asking about the geology or the volcanic terrain you see.

Price and value: is $410.48 worth it?

At $410.48 per person, this isn’t a cheap add-on. But value depends on what you want from Iceland.

You’re paying for:

  • guided access to Lofthellir,
  • entry fees included,
  • a guided off-road drive through the volcanic area around Mývatn,
  • a small group format with personalized attention.

If your Iceland goal is to do something that feels hands-on and different from the usual waterfall-and-scenic-view loop, the price starts making more sense. You’re getting both the geology lesson and the physical, sensory cave experience in one package.

If you want mostly comfort and easy walking, then you’ll probably find this price steep. In that case, a more accessible cave or viewpoints might be a better match.

Timing, weather, and how to plan your day in Mývatn

This experience depends on good weather. That’s a big deal in Iceland, and it’s also one of the reasons cave tours are sometimes sensitive to conditions. If weather cancels the trip, you’ll be offered another date or a full refund.

So plan with flexibility. If you’re building a tight schedule around one day, you risk losing your slot. If you have a buffer day nearby, you’ll feel less stressed.

As for timing, you’re out for about 4 hours 30 minutes, and about 2 hours are spent at Lofthellir. Build the rest of your day around that, with time to warm up afterward.

Should you book Ice Cave Lofthellir?

Book this if you want an active geology tour and you’re comfortable with tight, slippery conditions. You’ll learn how the volcanic story connects to the cave, and the small group format gives you the attention you need when the cave gets tricky.

Skip it (or at least think hard) if you’re claustrophobic or you can’t reliably crawl, squeeze, and move over ice chutes. Even with great guidance, this is still a physical cave experience.

One last tip: pack warm, move-light, and plan for hands-on travel. If you show up prepared, Lofthellir can be one of those Iceland days you remember for years.

FAQ

Where is this tour meeting and starting from?

It starts at the Mývatn area at Berjaya Iceland Hotels, Reynihlíð, 660 Mývatn, Iceland.

How long does the tour take?

The tour lasts about 4 hours 30 minutes (approx.).

How long will I spend inside Lofthellir?

The Lofthellir Lava Cave stop is listed as about 2 hours, and admission is included.

Is the Lofthellir entry fee included in the price?

Yes. Entry fees to Lofthellir Cave are included.

What language is the tour offered in?

The tour is offered in English.

What’s the group size?

It has a maximum of 10 travelers.

What fitness level do I need?

You should have a moderate physical fitness level.

Is it close to public transportation?

Yes, it is near public transportation.

What should I bring for the ice cave conditions?

Bring waterproof gloves, and dress in warm layers such as wool socks and a shell. A smaller bag for camera gear can help in tight spaces.

What happens if the weather is bad?

The experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.

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