Descend into Thrihnukagigur volcano's magma chamber and hike through Iceland's unique lava fields on this guided tour from Reykjavik.
Thrihnukagigur Volcano Descent & Hike
- Explore the world's only accessible magma chamber
 - Marvel at vibrant mineral colors inside the volcano
 - Hike across unique lava fields
 - Learn about volcanic geology from expert guides
 - Capture stunning photos of Icelandic landscapes
 
Experience the thrill of descending into the heart of a dormant volcano on this unique tour from Reykjavik. Accompanied by expert guides, you'll explore the Thrihnukagigur volcano, renowned for its accessible magma chamber. As you descend, witness the vibrant mineral colors that adorn the chamber's walls, offering a surreal and unforgettable sight. After the descent, embark on a hike through Iceland's distinctive lava fields, where you'll learn about the region's volcanic geology and capture breathtaking photos of the rugged terrain. This adventure provides a rare opportunity to delve deep into Iceland's geological wonders, combining exploration, education, and natural beauty in one unforgettable experience.
- Guided descent into Thrihnukagigur volcano
 - Hike through lava fields
 - Round-trip transportation from Reykjavik
 
- Meals and beverages
 
- Tour operates in English; ensure you understand the language.
 - Children under 12 years old are not permitted on this tour.
 - The tour is subject to weather conditions; check forecasts before booking.
 
- Wear sturdy hiking boots suitable for uneven terrain.
 - Dress in layers to accommodate varying temperatures.
 - Bring a camera to capture the stunning landscapes.
 
Cancellation Cutoff: 1 days
Cancellation Notes: For a full refund, cancel at least 24 hours before the scheduled departure time.
Wear warm and waterproof clothing, as well as hiking boots. Sneakers and jeans are not appropriate.
Minimum age is 8 years
Be aware that this tour includes a total of 7 km hike across an uneven mountain terrain in unpredictable weather conditions. No hiking experience is needed, but this does require moderate fitness levels.
Gray Line Iceland is a Reykjavik-based tour operator offering a broad range of bus tours, day trips, and ground transportation across Iceland. With a long history of serving travelers, the company runs popular itineraries such as the Golden Circle, Northern Lights excursions, Blue Lagoon transfers, and multi-day tours, as well as airport transfers and coach rental. The team emphasizes local knowledge, reliability, and flexible travel services for visitors seeking immersive Iceland experiences. Operating from Skógarhlíð 10, the company provides open hours from 7 AM to 7 PM and a user-friendly booking experience via grayline.is.
- Duration: 6 hours
 - Trip difficulty: Moderate
 - Category: Walking & Bike Tours