Askja Volcanic Area

Askja is a volcano situated in Iceland’s remote interior highlands but mainly refers to a dramatic ring of nested calderas in the surrounding Dyngjufjoll Mountains. Calderas are cauldron-like volcanic features formed by the collapse of land following a volcanic eruption and most resemble volcanic craters. 

The lake-filled crater ‘Viti’ was created following the eruption of the Askja volcano in 1875. If you’re feeling brave, hike up to the crater and take a dip in the warm waters, which reach a depth of 60 meters (197 ft) and a temperature of 30°C (86°F).