
The Best Lava Cave in Iceland: All Five Compared
Five caves, four of them actual lava tubes, and one that gets lumped in with them despite being something else entirely.
Read guide →Eight guides to the practical side of the descent: the drive out from Reykjavík, what the two staircases ask of you, what the walls are made of, and which of Iceland's caves is the one you actually want.

Five caves, four of them actual lava tubes, and one that gets lumped in with them despite being something else entirely.
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Nothing underground changes between January and July. What changes is the road, the daylight and how many departures a day there are.
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There is no bus and no shuttle. You drive four roads in sequence, and the last one is the only one that gives anyone trouble.
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The cave is not dangerous. It is unmodified, which is a different thing, and it is the stairs rather than the dark that decide whether you should go.
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A full day sits inside 25 minutes of the cave car park, and the cave tour is the only part of it you pay for.
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The cave never changes temperature, so the packing question splits in two: what you need underground, and what you need for the wait on an exposed lava field.
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A tube that drained 8,000 years ago, the minerals that stained it afterwards, and the moment the guide asks everyone to turn the lights off.
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The age rule is a hard 5, the children's ticket is free, and the only real question is whether your child will walk the stairs without wanting to be carried.
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