Guided 1-Hour Lava Tunnel Exploration Tour in Raufarholshellir

Traversing the uneven terrain inside Raufarholshellir.
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Tour starts
Reykjavík, Iceland
3 hours
All year
Minimum age
3 years old


Explore the majestic underground tunnels of the Raufarholshellir lava tubes in this one-of-a-kind spelunking adventure. Join an expert guide and learn about the inner workings of volcanic eruptions as you step into this Hollywood-worthy sight deep within Iceland.

Raufarholshellir is about 25 miles (40 kilometers) southeast of Reykjavik and is easy to reach by car throughout the year. Alternatively, you can arrange Reykjavik pick-up for an additional charge. Once you meet your guide, you’ll journey to the depths below, following the same path that ancient magma once flowed through some 5600 years ago.

You’ll need to bring some sturdy footwear as you’ll be walking quite a bit. The tour will provide you with helmets and flashlights for your safety, and your guide is available should you need assistance. Warm clothes are also recommended because of the near-freezing temperatures inside the caves.

The entrance to the cave has manufactured platforms for easier access. It’s also very spacious at 98 feet (30 meters) wide and 33 feet (10 meters) high, so there’s plenty of room to move around. The lava tube ceiling has also caved in near the entrance, creating beautiful columns of light to welcome you into the depths.

Your guide will take you over a thousand feet (350 meters) into the cave, but the entire lava tube is actually over 4,460 feet (1,360 meters) long! Once inside, an assortment of striking colors should immediately catch your eye. There is a high diversity of minerals on the walls of the tunnels, giving them a uniquely fantastic combination of shades and hues.

Your eyes will also enjoy seeing different rock formations and ice stalagmites decorating the cave. As you continue traversing through the tunnels, your guide will be happy to answer any questions you may have about Raufarholshellir, its formation, and its history.

The underground wonders of the land of ice and fire are surely a sight to behold. Fascinating, visually magnificent, and worth a visit for anyone exploring the beauty of Iceland! Check availability by choosing a date.

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1 hour guided cave tour
Protective helmet 




What to bring

Warm clothes
Sturdy Footwear

Good to know

The temperature in the cave is around 4 degrees although it can be warmer outside, and water can leak from the ceiling when it rains and snows, so raincoats are recommended.

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