Vatnshellir is a massive lava tube that stretches for over 200 meters underground. The cave was formed over 8,000 years ago by a volcanic eruption, and is filled with unique and awe-inspiring rock formations, crystal clear pools, and even underground waterfalls. Exploring this incredible cave is a once-in-a-lifetime experience that is not to be missed!
To explore this cave, you must book a tour.