Wend through a narrow lava slit into Lofthellir’s chilled heart and stand beneath ice formations frozen for centuries. This guided, single-group-per-day tour combines rugged off-road travel with close-up caving in the Mývatn volcanic zone.
More ways to explore the area's outdoor wonders
You step off the battered 4x4 onto a black, lichen-scarred plain and the wind immediately changes the world. It tugs at your jacket and seems to push the lava field toward the low slit that is Lofthellir’s entrance. Inside, the passage forces you to crouch and crawl; the cave breathes cold and the light from your headlamp slices into blue ice thousands of years old.
Difficulty
moderate
Duration
4–5 hours
Fitness Level
Moderate fitness required: ability to hike over uneven lava fields, crouch, crawl and keep balance on icy patches.
Wildlife
History
Lofthellir is a lava tube carved during the region’s volcanic episodes; its ice persists because the tube’s geometry and local microclimate create permafrost conditions.
Conservation
Access is tightly managed (one group per day) to protect fragile ice features; follow Leave No Trace principles and avoid touching formations.
Reserve your spot on the Ice Cave Lofthellir exploration - A permafrost Cave inside a magma tunnel. today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Expect tight crawling sections
The cave entrance is narrow and requires crawling; practice basic squeezing and be prepared to move slowly in single file.
Wear insulating layers
Temperatures inside the cave are near-freezing; base layers and an insulated mid-layer keep you comfortable during standing and moving periods.
Footwear matters even if boots are provided
Studded boots are supplied, but bring thick wool socks and consider your own crampon-compatible footwear for better fit and warmth.
Time your visit for visibility
Tours run in variable daylight; winter offers dramatic low light while summer has extended daylight—choose based on your tolerance for cold and travel conditions.
Insulating base layers
Wicks moisture and retains warmth during cold cave stops.
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Waterproof outer shell
Shields wind and wet spray on the approach and while standing near cave entrances.
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Thick wool or synthetic gloves
Protects hands from cold ice and helps when steadying yourself on rock.
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Small daypack with water/snacks
Carry hydration and quick energy for the off-road transfer and the cave visit.
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