Lava Tube Caving

Lava Tube Caving

Throw on your caving gear and explore the tube-like caves hidden beneath some of Iceland’s ancient lava flows.

You’ll witness the amazing display of colours, shapes and textures and marvel at the bizarre rock formations beneath the lava.

As a natural underground conduit that lava flows through from an active volcano, a lava tube forms in one of two ways: one is by the crusting over of lava channels as the surface lava cools when exposed to the air; the other is from flows where the lava is moving under the surface. After the eruption, the tube system will drain out, leaving behind a truly unique cave.

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