Discover the rare opportunity to descend deep into the dormant Thrihnukagigur volcano on a small-group tour in Reykjavik, Iceland. This five-hour adventure takes adventurers 120 meters below the surface, where they’ll explore the volcano’s stunning magma chamber and bask in its vivid hues. But the experience doesn’t end there – a moderate hike across rugged lava fields provides a glimpse into Iceland’s remarkable volcanic landscape. With expert guides, safety considerations, and more, this tour promises an unforgettable journey into the heart of the Earth.
Key Points

- This small-group tour in Reykjavik, Iceland, offers a unique opportunity to descend into the dormant Thrihnukagigur volcano and explore its magma chamber.
- Participants are lowered 120 meters into the volcano’s interior via an open elevator, providing a profound sense of awe and humility.
- The tour also includes a moderate 7-kilometer hike through rugged lava fields and volcanic cones, offering stunning views of the unique landscape.
- The tour is suitable for ages 8 and older, with warm, waterproof clothing and sturdy hiking boots required.
- The tour includes hotel pickup and drop-off, as well as light refreshments, and has a free cancellation policy up to 24 hours in advance.
Tour Overview
The tour, known as "Inside the Volcano: Small-Group Tour and Lava Field Hike," is located in Reykjavik, Iceland.
It boasts 148 reviews and a 94% recommendation rate, earning it a Badge of Excellence.
The 5-hour tour, priced from $406.37 per person, accommodates a maximum of 18 travelers.
Pickup is provided from various locations in Reykjavik.
Participants will descend into the dormant Thrihnukagigur volcano, explore its 4,000-year-old magma chamber, and embark on a moderate 7-km hike through craggy lava fields and volcanic cones.
Safety gear like helmets and harnesses are included, and light refreshments are provided after the tour.
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Descending Into the Volcano

Descending into the dormant Thrihnukagigur volcano is the highlight of this tour.
Travelers don a helmet and harness, then step into an open elevator that slowly lowers them 120 meters down into the volcano’s magma chamber. The descent takes around 6 minutes.
Reaching the chamber’s floor, explorers discover a vast, colorful cavern carved by molten lava. They can wander among the striking geological formations, taking in the immense scale and unique features.
This is a rare opportunity to experience the raw, primal power of a volcano from the inside. It’s a thrilling, once-in-a-lifetime adventure.
Exploring the Magma Chamber

Once explorers reach the floor of the magma chamber, they’re surrounded by an awe-inspiring landscape.
The chamber boasts:
- Towering walls of solidified magma, revealing intricate patterns and textures
- Vivid hues of red, orange, and yellow, reflecting the chamber’s fiery origins
- A sense of profound silence, interrupted only by the occasional drip of condensation
- A temperature that remains relatively mild, despite the volcanic history
- An atmosphere of otherworldly tranquility, inviting visitors to fully enjoy this geological wonder
Explorers can’t help but feel humbled by the sheer power and scale of the magma chamber’s interior.
Lava Field Hike

After the exhilarating descent into the dormant Thrihnukagigur volcano, explorers embark on a moderate 7-kilometer hike through the rugged lava fields and volcanic cones of Iceland’s Blue Mountains.
The hike offers stunning views of the otherworldly landscape, with craggy terrain, ancient lava flows, and unique geological formations. Sturdy hiking boots are a must, as the path can be uneven and challenging in spots.
Though not overly strenuous, the hike requires a moderate level of fitness. Along the way, guides share insights into the region’s volcanic history and geology, enhancing the immersive experience.
Safety Considerations

Safety is of paramount importance on this tour, as explorers descend into a dormant volcano. The experience includes:
- Helmet and harness provided for each participant
- Safety briefing before the descent to review protocols
- Experienced guides leading the way and monitoring conditions
- Strict group size limit to ensure proper oversight
- Emergency response plan in place in case of unexpected events
Participants must meet minimum age and fitness requirements.
Those with serious medical conditions or pregnant travelers are advised not to join.
Weather can impact the difficulty of the lava field hike, so proper attire is essential.
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Scenic Landscapes

Though descending into the dormant Thrihnukagigur volcano is undoubtedly the highlight of this tour, the scenic hike through the craggy lava fields and volcanic cones presents a stunning showcase of Iceland’s unique geological features. The adventurous journey treats visitors to sweeping views of the Blue Mountains and the chance to explore the region’s diverse volcanic landscape.
| Terrain | Highlights |
|---|---|
| Lava Fields | Solidified rivers of molten rock |
| Volcanic Cones | Symmetrical peaks formed by eruptions |
| Geologic Formations | Intricate patterns and textures carved by nature |
| Panoramic Vistas | Breathtaking panoramas of Iceland’s rugged interior |
Inclusion and Logistics

The tour includes standard hotel pickup and drop-off, ensuring a seamless start and end to the experience.
Refreshments are provided after the tour, helping travelers refuel.
The adventure requires warm, waterproof clothing and sturdy hiking boots, as the terrain can be challenging.
While not wheelchair accessible, the tour is suitable for those 8 years and older with moderate physical fitness.
Travelers should also be aware that weather conditions can impact the hike, so flexibility is advised.
With a cancellation policy of free cancellation up to 24 hours in advance, booking this unique experience is hassle-free.
Traveler Feedback
Many travelers describe the Inside the Volcano: Small-Group Tour and Lava Field Hike as a once-in-a-lifetime experience, highlighting the sheer beauty of the dormant Thrihnukagigur volcano and the professionalism of the guides.
Common themes in the 148 reviews include stunning views, knowledgeable guides, and the unique opportunity to descend into a volcano.
Travelers also praise the delicious soup served after the tour.
However, some faced challenges due to weather conditions affecting the difficulty of the hike.
Frequently Asked Questions
Can I Bring My Own Food and Drinks on the Tour?
Based on the information provided, it doesn’t appear that participants can bring their own food and drinks on the tour. The details indicate that light refreshments are provided after the tour.
Is There a Minimum Group Size Requirement?
There’s no minimum group size requirement. The tour has a maximum of 18 travelers, allowing for a small-group experience. The tour operates as long as there are participants, even if the group is smaller.
How Extensive Is the Pre-Tour Safety Briefing?
The safety briefing before the descent covers critical topics like proper use of harnesses, helmets, and safety protocols. It ensures all participants understand and follow safety guidelines to mitigate risks during the volcano exploration.
Are There Any Additional Costs Beyond the Tour Price?
The tour price covers standard pickup/drop-off and light refreshments. Additional costs beyond the listed price may include items like souvenirs, meals, or other optional extras not explicitly included in the tour package.
Can I Customize or Extend the Tour Duration?
The tour duration can’t be customized or extended. It’s a fixed 5-hour experience. There’s no option to add extra time or activities to the tour. Travelers must adhere to the scheduled duration and itinerary.
The Sum Up
The "Inside the Volcano: Small-Group Tour and Lava Field Hike" in Reykjavik, Iceland, offers an extraordinary opportunity to venture deep into a dormant volcano and explore its stunning magma chamber. With expert guidance, a moderate hike, and breathtaking scenery, this five-hour adventure promises an unforgettable experience for those seeking an adventure of a lifetime.
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