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Dettifoss is a waterfall in Vatnajökull National Park in Northeast Iceland. It is reputed to be the most powerful waterfall in Europe. The waterfall is regularly visited on Diamond Circle tours and should not be missed by anyone visiting the region.

Nearby places:
Hafragilsfoss, Vesturdalur, Ásbyrgi

Hiking routes in the area:

Here you can download pdf hiking maps of Ásbyrgi and Jökulsárgljúfur

Dettifoss is situated on the Jökulsá á Fjöllum river, which flows from the Vatnajökull glacier and collects water from a large area in Northeast Iceland. The sediment-rich runoff colors the water a greyish white.

The waterfall is extemely powerful and loud due it´s size; the waterfall is 100 metres (330 ft) wide and has a drop of 44 metres (144 ft). It is the largest waterfall in Iceland in terms of volume discharge, having an average water flow of 193 m³/s.