The fall is 100 metres wide and have a drop of 45 metres down to the Jokulsargljufur canyon.
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Since its partly buried in the canyon, Dettifoss is overlooked by cliffs on both sides.
The river water is almost always dark with sediment, in contrast with the white rapids and spray.
During floods the river and the falls are often virtually black with sediment and debris.
The mighty Dettifoss is accompanied by two other substantial waterfalls.
Selfoss is a few kilometers south and Hafragilsfoss is a few kilometers north.
Dettifoss appeared in the opening scenes of the 2012 science-fiction filmPrometheus.
Since then, some people have been calling it the Prometheus Waterfall.
Sources:Wikipedia,Vatnajokull National Park,Diamondringroad
