Explore Raufarhólshellir, one of Iceland’s largest lava tubes, on a guided hour-long caving tour from Reykjavík. Learn volcanic geology up close while moving through sculpted basalt passages and winter ice pockets.
More ways to explore the area's outdoor wonders
A cold gust from the tunnel mouth pushes against your jacket as you crouch under a low rim of black glassy basalt. Headlamp cones pick out rippled lava flow ceilings and fractured pillars; the world outside the cave becomes a distant wash of daylight and wind. This is Raufarhólshellir, one of Iceland’s largest accessible lava tubes, where volcanic force has left chambers scored with tumbling rope-like pahoehoe and pockets of winter ice.
Difficulty
moderate
Duration
1 hour
Fitness Level
Basic mobility and the ability to crouch and walk over uneven ground; suitable for most fitness levels.
Wildlife
History
Raufarhólshellir formed during fissure eruptions on the Reykjanes Peninsula; the area has been traversed by coastal and farming communities since the settlement era.
Conservation
Stay on marked paths, avoid touching delicate formations and pack out all waste; the cave and surrounding lava fields are fragile and recover slowly from damage.
Reserve your spot on the Lava Caving Experience today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Sturdy footwear
Wear ankle-supporting, treaded boots; the cave floor is uneven and can be slippery.
Layer for cold
Temperatures inside stay cool year-round—insulated mid-layers and a windproof shell help you stay comfortable.
Bring spare batteries
Headlamp batteries are provided, but bring spare batteries for your own light and phone.
Expect ice in winter
Crampons are used in winter; listen to guide instructions and step carefully on icy sections.
Sturdy hiking boots
Provides grip and ankle support on uneven, sometimes icy cave floors.
Insulated mid-layer
Keeps you warm in the cave’s cool, damp air.
winter
Waterproof outer shell
Protects against wind and wet conditions common on the Reykjanes Peninsula.
fall
Small daypack with water
Carries layers, water, and spare batteries while keeping hands free for scrambling.