Reviewed · LAVA TUNNEL TOURS
The Lava Tunnel Tour – Raufarhólshellir
Walking into a lava tube in Iceland is one of those moments that feels oddly simple, but never ordinary. Raufarhólshellir lets you walk inside the kind of underground route lava once took, including the 5000-year-old flow from the Leitahraun eruption. I love that you get helmet and headlamp right away, and I also love the guide-led geology stories that turn rocks and shadows into something you can actually picture.
The main thing to consider is the ground underfoot. Even though the tour is rated easy, you’ll walk on uneven lava surfaces and go up and down stairs inside the tunnel. If you have back or knee issues, this may not be the best match.
The good news, it’s short and well paced. You pick a departure time, the tour runs about 1 hour, and it’s led in English by a professional guide for a group capped at 30 people.
Key Points You’ll Feel Fast

- Helmet and headlamp included, so you do not waste time scrambling for gear
- A true lava tube walk through the world of underground lava flow and formations
- English speaking guide who explains what you’re seeing while you move
- Easy rating, real footing with uneven rock and stairs that still require care
- Photography-friendly darkness, plus a moment of total darkness you may experience
Why Raufarhólshellir’s Lava Tube Is So Worth Your Time
Raufarhólshellir is one of Iceland’s best-known lava tubes, and it does something rare for a sightseeing stop. It doesn’t just show you a cool cave, it shows you the inside architecture of a volcanic event. You walk along a path where lava flowed underground during the Leitahraun eruption more than 5000 years ago, which makes every dark wall feel connected to a real process, not just an empty tunnel.
What I like most is how quickly your brain starts understanding the place. The tunnel walls and rock layers are not random. They’re the result of lava moving, cooling, and leaving behind features you can point to as you go.
And because you’re moving as a group, you get context without needing a textbook. A guide explains how lava tunnels form, what makes a lava tube different from a regular cave, and why sound behaves differently in this kind of space.
More lava tunnel tours near Reykjavik:
- Reykjavik: Snæfellsnes Day Trip with Vatnshellir Lava Cave
★ 4.7 · 1,108 reviews - From Reykjavik: Raufarhólshellir Lava Tunnel by Bus
★ 4.6 · 793 reviews - From Reykjavik: Lava Caving Tour
★ 4.7 · 585 reviews
Tour Basics: 1 Hour, Small Group, and Included Safety Gear

This tour costs $74.98 per person for about 1 hour on site. For Iceland, one hour can sound short, but this one uses that time well because it combines a guided route with the right equipment. You are not paying for a long drive and a quick look, you’re paying for a structured walk inside an active-feeling geological site.
A big value point is the included headlamp and helmet. In a dark environment, having your own light makes the experience easier and more comfortable, and it removes a lot of stress about getting the right gear. You also get a professional guide, which matters here because the whole point is understanding what you’re seeing while you’re actually in it.
The experience is offered in English, uses a mobile ticket, and you can choose a departure time that fits your day. The group size is capped at 30, and that keeps things manageable compared with larger tours.
Getting Ready at Raufarhólshellir: What You’ll Do From Start to Finish

Your tour starts at Raufarhólshellir816, Iceland, and it ends back at the same meeting point. There’s one main stop, the tunnel itself, and the flow is simple: you arrive, you get your helmet and headlamp, and then you walk the route with your guide.
The walking is rated easy, but you should treat it like a careful trail walk through a cave. The surfaces can be uneven, and there are stairs. That means it can be easy for many people, but not risk-free for everyone.
Expect the guide to set the tone early. You’ll likely get practical instructions on how to move safely while also hearing the science behind the walls. If you’re the kind of person who wants the why behind the what, you’ll probably enjoy the pacing because it’s explained as you encounter each feature.
Inside the Lava Tube: Formations, Rock Colors, and the Guide’s Stories

Once you’re inside, the tunnel turns into a geology classroom with dramatic lighting. The path is built and lit in a way that makes it easier to navigate, but the overall effect still feels dark and enclosed, like you’re walking through the cooling record of an eruption.
Raufarhólshellir is known for the kind of features that look almost decorative, like lava stalactite formations and multi-colored rock walls. The colors come from different mineral components and how lava cooled against the tunnel walls. Your guide points out what you’re looking at, and you start to notice patterns, layers, and textures as you walk.
One of the most memorable parts can be how the guide handles darkness. At some point, the lighting may be reduced so you can experience the cave without the usual illumination, using your headlamps as the main light source. When that happens, you often get a stronger sense of space and scale, and your attention shifts from sight to sound.
And sound matters here. Your guide explains that lava tunnels behave differently than regular caves, including how sound carries. You might hear dripping water more clearly than you expect in a place like this, and that kind of sensory detail is exactly why a guided visit works so well.
Same corner of Iceland, a different kind of day out:
- Reykjavik: Golden Circle Full-Day Tour with Kerid Crater
★ 4.8 · 24,485 reviews - Reykjavik Food Walk – Local Foodie Adventure in Iceland
★ 5.0 · 18,952 reviews - Iceland: Northern Lights Bus Tour from Reykjavik
★ 4.1 · 11,161 reviews - Reykjavík: South Coast Waterfalls, Black Sand & Glacier Tour
★ 4.8 · 11,030 reviews
Photography in a Headlamp World: How to Get Shots You’ll Actually Keep

If you care about photos, you’ll be glad you came. The tunnel is dark enough to feel cinematic, but the path and lights are set up so you can still see your way and capture what you came for. Bring a good camera if you have one, or make sure your phone is ready and charged.
Practical photo tip: keep your headlamp angle consistent. When your light swings too much, shots can turn blurry quickly. Also, watch for fog on lenses or phone screens since it can be cold and damp underground.
The best photos often come from looking back and framing the tunnel entrance against the deeper darkness. As you walk, you’ll notice how wide the tunnel feels compared with what you might expect from the outside. That size difference is a big reason people say this is more than a quick cave stop.
What to Wear and Bring So You Stay Comfortable

Wear sturdy shoes. This tour happens on uneven lava ground with stairs, so you want grip and support. Iceland weather can change fast, so bring a rain coat or jacket. Even if it is not pouring, damp air is part of the tunnel experience.
Layering helps. A cave walk can feel chilly, and the helmet and headlamp do not add warmth. If you plan for cold plus wet, you’ll feel more relaxed and you’ll enjoy the guide’s timing instead of trying to rush through.
Also, note that food and drinks are not included. You can use the site bathrooms, and that’s helpful if your Iceland day is packed and you want to avoid detours.
Who This Lava Tunnel Tour Fits Best (and Who Should Think Twice)

This is a great fit if you want a straightforward, high impact Iceland experience without a huge time commitment. It works well for first time Iceland visitors, geology curious minds, and people who like walking a bit but do not want a strenuous hike.
Family friendly can mean different things, and here the key boundary is age. It is not recommended for children under 3. If your child is old enough to handle stairs and uneven surfaces, the tour can work because it is only about an hour and the route is designed to be manageable.
It’s less likely to suit you if you have back, knee, or other health issues. The tunnel is rated easy, but the combination of stairs and uneven ground is still real. If that’s you, you can still enjoy Iceland’s volcanic scenery, just choose an option that keeps you on flatter footing.
One more small consideration: English is the default language, but accents can vary by guide. If you’re sensitive to fast speech or a strong accent, it may take a little extra focus once you’re underground.
Getting More Value: Pair It With Other Volcano Time

This is a smart add-on to a larger volcano day. You’re already in volcanic country, and it’s easy to build a theme around the day: tunnel first, then lava fields and active volcano viewpoints nearby if your schedule allows.
The reason that pairing works is mental. After you understand lava tubes, the rest of the volcanic scenery makes more sense. You start seeing how underground flow connects to surface effects, and your questions become sharper.
If you’re short on time in Reykjavik, this tour still works because it stays close to the city compared with longer day trips, and it gives you that underground perspective that you cannot easily replicate later.
Should You Book the Lava Tunnel Tour at Raufarhólshellir?
Book it if you want a high value Iceland experience that’s guided, gear-supported, and genuinely different from another cave visit. The helmet and headlamp are included, the tour is about an hour, and the guide turns volcanic formation into something you can understand while walking through it.
Skip it or choose carefully if stairs and uneven surfaces are a problem for you. Also, if you struggle with cold or damp environments, plan for layers and waterproof outerwear so the tunnel does not feel miserable.
If you’re ready to trade a normal walking route for a volcanic underground one, Raufarhólshellir is the kind of stop that pays you back fast, the moment you step inside and realize you’re standing where lava once moved.
FAQ
How much does the Raufarhólshellir lava tunnel tour cost?
The price is $74.98 per person.
How long is the tour?
The tour lasts about 1 hour.
Is the tour offered in English?
Yes, the tour is offered in English.
Do I need a printed ticket?
No, it’s a mobile ticket.
What’s included in the ticket price?
Your ticket includes a helmet, lights, and a professional guide.
What should I bring for the tunnel?
Bring sturdy shoes and a rain coat or jacket. It can be cold and damp inside.
How difficult is the walk inside the tunnel?
The difficulty is rated easy, but you should be ready for uneven surfaces and stairs.
Is food or drinks included?
No, food and drinks are not included.
Are bathrooms available?
Yes, bathrooms are available on location.
Can I cancel for free?
Yes. You can cancel up to 24 hours in advance for a full refund. If you cancel within 24 hours of the start time, the amount paid is not refunded.
Recently reviewed around Reykjavik
- Private Day Trip to the Icelandic South Coast from Reykjavik★ 5.0 · 45 reviews
- Deluxe Whale Watching and Whales of Iceland Exhibition Combo from Reykjavik★ 4.5 · 13 reviews
- Day Trip to the Golden Circle and Hot spring Geyser by 4WD Jeep from Reykjavik★ 5.0 · 27 reviews
- Private Transfer from Reykjavik to Reykjavik Airport KEF by Sedan★ 5.0 · 3 reviews
- Private Tour Höfn: Jokulsárlón , Diamond Beach, Secret Glacier★ 4.5 · 3 reviews
- South Coast and Glacier Snowmobiling Day Trip from Reykjavik★ 4.5 · 22 reviews
- Cold & Hot: Adventure Spa Tour Combo: Silfra & Sky Lagoon Self-Drive★ 5.0 · 36 reviews
- Experience Countryside of Iceland by Horseback Riding★ 4.5 · 16 reviews
Lava Tunnel Tours, compared.

Raufarhólshellir Lava Tunnel: Underground Expedition
Read our review →
Snæfellsnes Day Trip with Vatnshellir Lava Cave
Read our review →
The Lava Tunnel Tour with Transfer from Reykjavik
Read our review →
Lava Tunnel Tour Including Transfers from Reykjavik
Read our review →
Epic Snæfellsnes Adventure with Lava Cave Small-Group Day-Tour
Read our review →
Silfra Fissure Snorkeling and Lava Caving Tour
Read our review →Browse the lists this tour appears in


