Iceland · CAVING & LAVA TUNNELS

The 15 Best Lava Tunnel & Caving Tours in Iceland

28 tours  ·  from $43 a head

A lava tube is the drained vein of an old eruption, and Raufarholshellir is the easy one to reach from the city. These 15 compare the walkway visits with the proper caving trips, on price, duration and how much crawling is involved.

The Lava Tunnel Tour - Raufarhólshellir - The geology you can actually see
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The Lava Tunnel Tour – Raufarhólshellir

1.The Lava Tunnel Tour – Raufarhólshellir

★★★★★★★★★★5.0 · 2,373 reviews · 1 hour (approx.) · from $74Our pick

Explore Raufarhólshellir, one of Iceland’s best-known lava tubes, on a guided one-hour walk. You’ll see ancient lava flows, colorful rock layers, lava formations, and total darkness, while an English-speaking guide explains how the tunnel formed. Helmets and headlamps are provided, but sturdy shoes and warm waterproof clothing are essential.

“A great place for photos and to learn about the volcanic activity on Iceland. We paired this with a hike to see the lava fields and active volcanoes along the coast nearby. Highly recommend a volcano day on Iceland.”

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Raufarhólshellir Lava Tunnel: Underground Expedition - The first walk beneath the lava
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Raufarhólshellir Lava Tunnel: Underground Expedition

2.Raufarhólshellir Lava Tunnel: Underground Expedition

★★★★★★★★★★4.7 · 1,717 reviews · 1 hour · from $73

Walk through Raufarhólshellir, one of Iceland’s longest lava tubes, on a one-hour guided visit. Your English-speaking guide explains how the tunnel formed, points out unusual colors and ice formations, and switches off the lights for complete darkness. Helmets, headlamps, and winter crampons are provided.

“Excellent tour! Wonderful Spanish guide! Thank you for accommodating my family and I as we arrived a little late after waiting for our camper van!”

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Reykjavik: Snæfellsnes Day Trip with Vatnshellir Lava Cave - Waterfalls, Churches, and Quiet Roads
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Reykjavik: Snæfellsnes Day Trip with Vatnshellir Lava Cave

3.Snæfellsnes Day Trip with Vatnshellir Lava Cave

★★★★★★★★★★4.7 · 1,108 reviews · from $219

Travel from Reykjavik around Snæfellsnes Peninsula in a small group, with stops at Kirkjufell, Arnarstapi, Búðakirkja, Lóndrangar, waterfalls, and Vatnshellir Lava Cave. English-speaking guides such as Evo, Smári, Alex, and Carlos are known for local stories, safe driving, photo help, and extra stops when conditions allow.

“The landscapes are just unbelievable, totally worth it, and our guide, Smari, it's simply the best, you can tell he really likes his job. He even played a song for us at the end of our tour. I completely recommend this tour.”

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From Reykjavik: Raufarhólshellir Lava Tunnel by Bus - Getting equipped at Raufarhólshellir
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From Reykjavik: Raufarhólshellir Lava Tunnel by Bus

4.Raufarhólshellir Lava Tunnel by Bus

★★★★★★★★★★4.6 · 793 reviews · 3 hours · from $129

Travel from Reykjavik’s BSI Bus Terminal to Raufarhólshellir, one of Iceland’s largest lava tubes. A one-hour guided walk leads through mineral-colored rock, skylit chambers, uneven lava, and complete darkness. You get a helmet, flashlight, and WiFi on the bus. Guides such as Alex and Dimitri are known for clear explanations and humor.

“Alex, our guide, was amazing and full of ressources. We learned so much from the cave and also from the Icelandic culture with a good twist of humour.”

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From Reykjavik: Lava Caving Tour - The drive from Reykjavik to the lava fields
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From Reykjavik: Lava Caving Tour

5.Lava Caving Tour

★★★★★★★★★★4.7 · 585 reviews · from $64

Travel from Reykjavik to Raufarhólshellir, suit up with helmet, light, and caving gear, then walk and crawl through an Icelandic lava tube. Guides such as Alex and Demetri bring the geology to life, while winter can add striking ice formations. The standard tour is family-friendly for ages six and up, though the rocky route requires steady footing.

“AMAZING 🤩🤩 Mac was a incredible guide, so funny and friendly. Wonderful experience!!”

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The Lava Tunnel Tour with Transfer from Reykjavik - The geology is the main event
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The Lava Tunnel Tour with Transfer from Reykjavik

6.The Lava Tunnel Tour with Transfer from Reykjavik

★★★★★★★★★★4.5 · 435 reviews · 3 hours (approx.) · from $124

Ride from Reykjavik’s BSÍ Bus Terminal to Raufarhólshellir, one of Iceland’s longest lava tunnels. Your guide supplies a helmet, headlamp, and winter crampons, then leads you along paths and platforms through striking lava formations. Guides such as Alex, Francesca, and Stephanie are praised for clear explanations and humor. Expect about one hour underground and roughly three hours total.

“Awesome stalagtites and amazing rock formations! Our guide was cheerful and had many jokes while explaining what we were looking at.”

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Lava Tunnel Tour Including Transfers from Reykjavik - From BSÍ Bus Terminal to the lava fields
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Lava Tunnel Tour Including Transfers from Reykjavik

7.Lava Tunnel Tour Including Transfers from Reykjavik

★★★★★★★★★★4.5 · 345 reviews · 3 hours (approx.) · from $129

Travel from Reykjavik to Raufarhólshellir, one of Iceland’s largest lava tunnels, for a one-hour guided walk beneath the lava fields. Your guide explains the eruption that formed it, points out mineral colors and light-filled openings, and may end with a striking moment in total darkness. Helmets and flashlights are provided.

“I had booked hotel pick up so paid a bit more but the day before, the tour operator changed it to bus stop pick up. While it wasn't a big deal, I still paid more and now trying to get that refunded so be aware if it let's you book that piece. The Lava Tunnel was interesting. The ride there was comfortable and the driver was very nice as she allowed me to be dropped off at a different bus stop. Our tunnel tour guide was very professional and explained facts that I did not previously know. He had it very fun and let us take our time. I would…”

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Epic Snæfellsnes Adventure with Lava Cave Small-Group Day-Tour - The practical shape of a 12.5-hour day
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Epic Snæfellsnes Adventure with Lava Cave Small-Group Day-Tour

8.Epic Snæfellsnes Adventure with Lava Cave Small-Group Day-Tour

★★★★★★★★★★5.0 · 310 reviews · 12 hours 30 minutes (approx.)

Spend about 12.5 hours exploring Snæfellsnes with a small group of up to 19 people. Expect Kirkjufell, waterfalls, fishing villages, sea cliffs, historic churches, and a guided descent into Vatnshellir Cave. Guides such as Smári, Michal, Christo, and Mike are known for local stories, Icelandic sagas, and flexible stops when weather allows.

“this was a great tour to see the peninsula. Loved the small group as it allowed us to enjoy ample time at each stop before quickly moving to the next stop. Smari was our guide and was very knowledgeable as he was raised on the peninusula. He was able to quickly adjust the schedule to take full advantage of the weather. We visited seals, beaches, waterfalls, the black church, rock formations and caverns. We were fortunate enough to have a clear day and a great view of the glacier.”

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Skaftafell Ice Caving & Glacier Hike - What the four-hour route feels like
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Skaftafell Ice Caving & Glacier Hike

9.Skaftafell Ice Caving & Glacier Hike

★★★★★★★★★★5.0 · 229 reviews · 4 hours (approx.) · from $169

Join Troll Expeditions at Skaftafell for a roughly 2.5-hour glacier hike to a blue ice cave. Your English-speaking guide supplies crampons, helmet, harness, and ice axe, then leads a small group across glacial ice. Guides such as Fabian, Lucy, Clara, and Adam are praised for clear instruction, patience, and photo help.

“Very nice and gentele guides! excellent tour wih excelllent views. Spcially our tour guide was very patient and kind with all the team members, also she was very funny and taught us about climate change.”

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Silver Circle: Lava Cave, Waterfalls & Iceland Horses-Small Group - Glanni Waterfall and the first taste of western Iceland
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Silver Circle: Lava Cave, Waterfalls & Iceland Horses-Small Group

10.Silver Circle: Lava Cave, Waterfalls & Iceland Horses-Small Group

★★★★★★★★★★5.0 · 181 reviews · 10 hours (approx.) · from $219

Travel from Reykjavik through western Iceland to Glanni, Deildartunguhver, Reykholt, Hraunfossar, Barnafoss, and Viðgelmir Lava Cave. Meet Icelandic horses at Sturlureykir Farm, taste hot spring rye bread, and enjoy a professional guide, Wi-Fi, hotel pickup, and a group of no more than 19 people.

“What a fun day! Absolutely loved Gulli as a guide; he told us some history of Iceland and the geography with understanding and humor. We would take another tour with him in a heartbeat ! Saw beautiful places, some in the sunshine and others in snow, but totally worth it. Jan at The Cave was funny and explained things very clearly. Of course, the waterfalls and hot springs are always worth the time! Overall, a really great tour that we highly recommend!”

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Reykjavík: Silfra Fissure Snorkeling and Lava Caving Tour - The gap between activities needs planning
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Reykjavík: Silfra Fissure Snorkeling and Lava Caving Tour

11.Silfra Fissure Snorkeling and Lava Caving Tour

★★★★★★★★★★4.7 · 176 reviews · from $202

Pair two very different Iceland adventures in one day: walk through Raufarholshellir Lava Tunnel, then float in Silfra’s clear glacial water between North America and Eurasia. Guides such as Weronika, John, and Jónas have led past departures, with gear, underwater photos, park admission, and hot cocoa included.

“I definitely recommend this tour, it was the best thing I ever saw and did in my life, especially the snorkeling. We had perfect weather so we could even change clothes outside, although you don't have to, there are extra busses for that. We were only 7 people for the lava cave and 4 for the silfra part, which made it really personally with the two guides, who were extremly nice und funny. It was well organized and overall a must do when you come to Iceland”

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Reykjavik: Lava Cave, Hot Springs, and Waterfalls Tour - Morning pickup and the ride west
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Reykjavik: Lava Cave, Hot Springs, and Waterfalls Tour

12.Lava Cave, Hot Springs, and Waterfalls Tour

★★★★★★★★★★4.7 · 119 reviews · from $210

Spend up to 10 hours exploring West Iceland with an English-speaking guide. Visit Glanni, Deildartunguhver, Reykholt, Hraunfossar, Húsafell, and Viðgelmir Lava Cave, where a guided walk reveals colorful rock, ice, and lava formations. Pickup, cave admission, and bus WiFi are included. Meals are not.

“West iceland is definitely worth seeing. We fitted in everything possible and a bonus visit to some excellent craters. We were given sufficient stops to eat , use restrooms and stock up. I forgot phone charger. But guide lent me a spare set of leads.”

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Vatnshellir Cave Tour - The geology that makes the cave worth your time
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Vatnshellir Cave Tour

13.Vatnshellir Cave Tour

★★★★★★★★★★5.0 · 108 reviews · 45 minutes (approx.) · from $48

Enter Vatnshellir Lava Cave on the Snæfellsnes Peninsula with an English-speaking guide, helmet, and flashlight. You’ll walk across uneven volcanic ground, descend two spiral staircases, and see lava textures formed by an eruption about 8,000 years ago. The tour lasts roughly 45 minutes and accepts no more than 16 people.

“De grot was mooi. Wat aan de kleine kant, maar als je hierop bent ingesteld hoef je niet teleurgesteld te zijn. Klein groepje man of 8 en niet super toeristisch. Dichtbij wat andere hoogtepunten op snaefellsness. Lag mooi op de route.”

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From Reykjavík: The Lava Tunnel tour with Round-trip Transfer - What you see inside the lava tube
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From Reykjavík: The Lava Tunnel tour with Round-trip Transfer

14.The Lava Tunnel tour with Round-trip Transfer

★★★★★★★★★★4.5 · 85 reviews · 3 hours (approx.) · from $114

Travel by minivan from Reykjavík to Raufarhólshellir, one of Iceland’s best-known lava tunnels. Your guide, possibly Jonas or Paulina, explains how molten rock shaped the passage, then leads you through uneven ground, low sections, ice, and striking lava textures. Gear, hotel-area pickup, and Wi-Fi are included.

“We thoroughly enjoyed this tour, it was not something we experienced before. We knew we have to go through some narrow area but when we actually started to walk in the lava cave, we got the real taste of the caving and crawling experience in a pitch dark place. It was really thrilling and exhilarating as we walked, crawled up and down the lava tube. Our guide Paulina from Extreme Adventures was super nice and knowledgeable and really made this tour a fun ride. Not recommended for people with back and joint problems.”

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2 Day Snæfellsnes Tour Lava Caving and the Northern Lights - Why this two-day Snæfellsnes trip works
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2 Day Snæfellsnes Tour Lava Caving and the Northern Lights

15.2 Day Snæfellsnes Tour Lava Caving and the Northern Lights

★★★★★★★★★★4.5 · 44 reviews · 2 days (approx.) · from $528

Travel from Reykjavik to the Snæfellsnes Peninsula with a driver-guide, sleep one night with breakfast, and enter 8,000-year-old Víðgelmir Lava Cave. Guides include Gilfy, praised for lively Icelandic history. Expect a small group of up to 18, hotel pickup, WiFi, and extra costs for meals and outdoor gear.

“My wife and I really enjoyed this 2 day tour. We stopped at many different places that each had something unique about Iceland to be experienced. And our guide Gilfy was the best, he knew so much about the history of Iceland and kept everyone interested and entertained. Would pretty much go on any tour that he is the guide!”

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