Lava tube caving
Explore the hidden side of Iceland, through the country's largest lava tube, Vidgelmir. Formed by lava draining from a volcano, lava tubes are intriguing caves dating back thousands of years, and make for a fascinating experience.
Venture underground through Iceland's Vidgelmir cave, exploring the winding passage of this ancient lava tube. Home to fascinating rock formations, this cave was once also home to humans - evidence of habitation has been found dating back to the Viking Age. Learn about the intriguing history and formation of these incredible tunnels as you explore underground.