The Extreme Lava Tunnel Tour is only suitable for people in good physical condition. The cave was created by volcanic eruption about 5.000 years ago. It is know to Icelandic people as Raufarholshellir.
This Lava Tunnel Tour allows you to explore through this extraordinary natural phenomenon deep inside one of the biggest lava tube in the world with an export guide. No crawling is needed as the cave is both wide and has high ceiling.