Reykjavík, Iceland

Lava Tunnel & Hveradalir

Iceland’s Landscapes Above and Below Ground Discover Iceland’s rugged landscapes during visits to a subterranean lava tunnel and a geothermal valley. Depart Reykjavík for the lava tunnels at Raufarhólshellir, where you will head underground to see the inner workings of an ancient volcanic eruption during a guided tour. Learn about the cave’s fascinating history as you gaze at its unique geological features from an elevated walkway—created during the Leitahraun eruption 5,000 years ago, it is the fourth-longest lava tube in Iceland and home to colorful mineral deposits and natural rock formations. After your visit, continue to Hveradalir, a geothermal valley known for its surreal landscapes. Explore on foot and enjoy an up-close look at the steaming vents and bubbling mud pools that make up this hot spring area. See the chemical reactions and geothermal processes that shape the land in real time, then return to your ship. * Demanding - Physically challenging activities, including extensive walks, hiking, riding, water sports, and high altitude activities. Activities by foot may contain difficult, unpaved surfaces and/or multiple stairs and steep inclines. Total time walking or stand