![Dettifoss](http://upload.wikimedia.org/wikipedia/commons/thumb/0/03/Iceland_Dettifoss_1972.jpg/300px-Iceland_Dettifoss_1972.jpg)
The Dettifoss is a waterfall located in northeastern Iceland, not far from Mývatn. It is reputed to be the most powerful waterfall in Europe, having a flow variously estimated at between 200 and 500 cubic metres of water per second, depending on the season and the summer ice melt.