Explore Víðgelmir, the world’s largest lava cave located in the Hallmundarhraun lava field just minutes from Húsafell.

Víðgelmir is the largest lava cave in Iceland and one of the largest lava caves in the world. The cave has been a protected site since 1993. Its visual diversity and grandeur is unrivaled. This makes for an unforgettable experience. Just shy of 1,600 meters / 5,250 ft, the cave features dazzling colors and lava formations in this subterranean lava tube.

“The Cave” offers a live tour with a knowledgable guide, which takes about one and a half hours and leads you into the depths of the cave from one chamber to another.

“The Cave” also offers a tour that goes deeper inside the cave, detailing the delicate stalagmites, stalactites, and incredibly intricate lava formations. The duration of this tour is 3-4 hours and is only available upon request.