Silfra Tectonic Fissure

A historical, natural phenomenon

Famed as one of the world’s top diving destinations, where diving is in a rift between two continental plates, a truly rare and spectacular geological wonder.

The Silfra Tectonic Fissure is a unique phenomenon on the planet. Silfra is a fissure that separates two continents and two tectonic plates, namely the North American and Eurasian plates. It is located in the Þingvallavatn Lake in the picturesque and historic Þingvellir (Thingvellir) National Park, east of Reykjavík, Iceland.

Thingvellir is a place of incredible natural and historical significance; a landscape of giant lakes, sprawling glaciers, ancient lava fields and Iceland’s only UNESCO World Heritage Site. It was the founding site of the world’s oldest existing parliament (Althingi, 930 AD). Silfra itself is a direct product of two great continental landmasses pulling apart, the same forces of creation that gave birth to Iceland.

The chasm is a terrestrial feature created by the rift between the North American and Eurasian tectonic plates. The crystal clear waters are the result of a natural slow filtration process. The visibility in Silfra exceeds 100m, and divers and snorkelers dive and float between the American and Eurasian continental plates and even touch both continents at the same time. These added to the amazing underwater lave rock, sand and algae landscape of Silfra, create a great appeal to the recreational diving and snorkeling community around the world.

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Thingvellir National Park

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