Overview
About Reynisfjara black sand beach
Volcanic formations
Reynisfjall is a tuff mountain formed by an eruption beneath a glacier. Its exposed rocks include tuff, pillow lava and columnar basalt. The Reynisdrangar pillars share the mountain's geological formation. These different rock structures record volcanic activity involving both molten lava and its interaction with water or ice.
Birdlife and the lagoon
Behind the shore lies Dyrhólaós, a brackish lagoon whose mudflats feed wading birds. Migrants travelling between Europe and Greenland or Canada use it to replenish their energy. Puffins nest in the surrounding cliffs and offshore stacks during summer.
An exposed Atlantic shore
Unexpected large waves can run much farther inland than preceding waves and pull people into the sea. Calm-looking intervals do not remove that danger. Keep well away from the water and observe local warning signs and closures.
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