Day 9 – Tour 3 & Day 3 – Tour 4

Askja (means caldera) – is an 8km wide volcanic depression formed from a collapsed subterrean magma chamber. In the centre it has  217 m deep lake oskuvatn – steel grey waters in the middle of a colossal lava field.  Öskjuvatn is a large lake that fills much of the smaller caldera resulting from the 1875 eruption. Its surface lies about 50 m below the level of the main caldera floor and covers about 12 km². When the lake originally formed it was warm, but today it is frozen over for most of the year. Öskjuvatn is the second deepest lake in Iceland at 220 m 721 ft deep.

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Follow the Jökulsá á Fjöllum is the second longest river in Iceland from the glacier to Dettifoss & Selfoss.

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