Inside the Volcano: Small-Group Tour and Lava Field Hike

This tour promises a rare peek inside Thrihnukagigur, one of Iceland’s most extraordinary natural wonders. Combining a scenic drive, a moderate hike across lava fields, and a descent into an extinct volcano’s magma chamber, it offers a truly memorable experience for adventurous travelers. What makes it stand out? The guided descent into the volcano’s interior—an activity you can’t find anywhere else in the world.

What we really appreciate about this trip is how it balances adventure with safety and expert guidance. The tour’s small-group format (max 18 participants) ensures a personalized experience, and reviews highlight knowledgeable guides like Jonas who bring the landscape to life with their stories. A potential consideration? The hike across uneven terrain can be physically demanding, so good footwear and moderate fitness are essential.

This experience is ideal for outdoor lovers, geology buffs, and those seeking extraordinary adventures away from typical sightseeing. If you’re after an authentic, hands-on journey into Iceland’s volcanic past, this tour is perfect. Just keep in mind that it involves some walking and a bit of physical effort, so it’s best suited for those in good shape.

Key Points

• Unique inside experience: Descend into the volcano’s magma chamber—something truly exclusive.
• Small-group intimacy: Up to 18 travelers, ensuring personalized attention and fewer crowds.
• Expert guidance: Guides like Jonas and others provide insightful history and safety instructions.
• Stunning scenery: Lava fields, volcanic cones, and the colorful interior of the volcano create breathtaking views.
• Physical activity: The 3 km hike over uneven terrain adds an element of challenge.
• Delicious post-tour food: Warm lamb soup and hot drinks are a lovely reward after the adventure.

An In-Depth Look at the Experience

Starting with the Drive and Introduction

The tour kicks off with a pickup from your Reykjavik hotel, making logistics straightforward. After that, you’ll enjoy a scenic drive through Iceland’s striking landscape, heading toward the Blue Mountains (Bláfjöll). Along the way, your guide shares fascinating insights about the formation of Thrihnukagigur—a volcano that last erupted about 4,000 years ago, creating a massive magmatic chamber that remained dormant ever since.

Many reviewers mention how engaging their guides are. Jonas, for example, received praise for his knowledgeable and friendly approach, offering stories about past eruptions and the volcano’s geology. This helps pass the time during the drive and adds context to what you’re about to see.

The Lava Field Hike — A Moderate Challenge

Once at the base of the Blue Mountains, you begin a 2-mile (3 km) walk across craggy lava fields. The terrain is uneven, dotted with volcanic cones, fissures, and steaming gas fissures. This part of the tour is described as moderate in difficulty, but reviewers highlight that sturdy hiking shoes are essential. Some mention needing a decent level of fitness, especially in unpredictable weather.

During the hike, you’ll get close-up views of Icelands volcanic past—an experience that’s both scenic and educational. One reviewer noted that “the trail is filled with cones and fissures, giving you a real sense of walking on a different planet.” The landscape is surreal, with jagged rocks, patches of moss, and the faint smell of sulfur adding to the adventure.

Gear Up and Safety Briefing

Approaching the crater rim, your guide will provide a safety briefing, plus instructions on how to wear your helmet and harness. The highlight here is the open cable elevator that lowers you 400 feet (120 meters) into the volcano’s interior. Many travelers describe this as thrilling and surreal, with some calling it a “once-in-a-lifetime” experience.

Inside the Volcano — A Geological Wonderland

Descending into the magma chamber reveals a vast, colorful space. The walls glow with mineral stains and feature formations caused by years of solidified magma. Reviewers mention the “staggeringly beautiful” colors and the imposing rock dome overhead. It’s easy to see why this is considered a truly unique experience.

Your guide will share stories about the last eruption, painting a vivid picture of the volcano’s past. One reviewer noted that “the colors inside the volcano made it a true work of art,” emphasizing the visual impact of the interior. The exploration is gentle, with plenty of time to marvel at the scale and complexity of this underground world.

Return Journey and Final Views

After spending time inside, you’ll ascend back to the surface and retrace your steps across the lava fields. Enthusiastic guides share additional nuggets of information, making the return hike just as engaging as the initial walk. The tour concludes with a scenic drive back to Reykjavik, giving you one last chance to reflect on the experience.

The Post-Adventure Meal

Many reviews rave about the warm lamb soup and hot chocolate served at the end—welcome comforts after a physically demanding morning. Guests describe the food as delicious, and it’s a great way to unwind and swap stories about the day’s highlights.

What’s Included and What You Should Know

This tour is priced at $449.78 per person, which reflects its unique nature and the all-inclusive experience (guides, safety gear, and transport). Reviewers often note that the value for money is high, considering the rarity of descending into a volcanic chamber and the personalized guidance.

Included are the guided tour, descent into the volcano, pickup and drop-off, professional guide, safety gear, and light refreshments. Be aware that food and drinks beyond the provided refreshments are not included, so consider bringing snacks if needed. The tour is designed for ages 8 and up, with moderate physical requirements—good shoes and fitness are advised.

It’s worth noting that weather conditions can impact the tour—bad weather might lead to cancellations or rescheduling, but the provider offers full refunds or alternative dates if that happens.

Authentic Insights from Reviewers

Reviewers often highlight the expertise of guides like Jonas, noting that their stories add depth to the experience. Many rave about the stunning views and colors inside the magma chamber, describing it as “beautiful beyond words.”

The hike is seen as a meaningful part of the adventure, with some mentioning it’s long and challenging, but worth every step. The post-tour meal of lamb soup and hot drinks is consistently described as delicious and warming, making it a perfect finish.

A few reviewers expressed disappointment with logistical issues, such as canceled pick-ups or weather delays, but overall, the experience comes highly recommended. Those who’ve braved the weather still mention how incredible the volcanic interior is, regardless of rain or wind.

The Sum Up

This tour is a must-do for those seeking an authentic, hands-on adventure in Iceland’s volcanic landscape. It combines scenic hiking, geological wonder, and expert storytelling into a well-rounded experience that appeals to outdoor lovers and curious explorers alike. The small-group format ensures you won’t feel lost in a crowd, and the descent into the magma chamber offers a once-in-a-lifetime opportunity to see inside a volcano no one else can access.

While the physical aspect might be demanding for some, the stunning scenery, informative guides, and the thrill of descending into an underground crater make it worth the effort. The delicious lamb soup and hot drinks afterward add a comforting touch, making the day feel complete.

If you’re visiting Reykjavik and craving something genuinely different—something that combines adventure, education, and breathtaking views—this tour delivers on all fronts. It’s especially ideal for those with good fitness levels ready to tackle some uneven terrain, and who don’t mind a little cold or rain. For anyone eager to check “walk inside a volcano” off their bucket list, this experience is a golden ticket.

FAQ

Is pickup included in this tour?
Yes, pickup and drop-off are offered from select locations in Reykjavik, making logistics easier. However, some reviews mention that cancellations can occur, so confirm your pickup details beforehand.

What should I wear on this tour?
It’s recommended to wear warm, waterproof clothing and good hiking shoes. Sneakers and jeans are not suitable because of the uneven terrain and potential weather conditions.

How physically demanding is the hike?
The hike is moderate, about 3 km across uneven lava terrain. Reviewers say it’s suitable for those in good shape, but it’s not a casual stroll. Be prepared for some inclines and rugged ground.

Can children participate?
Yes, the minimum age is 8 years, but ensure your child is comfortable with hiking and the physical requirements involved.

What is included after the descent?
Guests often mention enjoying warm lamb soup and hot drinks at the end, which are included in the tour. It’s a nice, cozy reward after the adventure.

What happens if the weather is bad?
Poor weather could lead to cancellations or rescheduling, but the operator offers full refunds or alternative dates if the tour can’t go ahead due to weather conditions.

This inside-the-volcano adventure offers a rare, authentic glimpse into Iceland’s volcanic heart. With knowledgeable guides, stunning scenery, and a physically engaging itinerary, it’s a day that promises both awe and adventure—perfect for travelers who want a true taste of Iceland’s rugged natural beauty.