Gullfoss, Iceland

The Gullfoss Gorge was forced by flash flood waters that forced their way through cracks in the basalt lava layers. The average water flow in Gullfoss is 109 cubic metres per second. Gullfoss consists of two waterfalls. The height of the upper waterfall is 11 metres and the lower one is 20 metres. The Gullfoss Gorge is approximately 2.5km in length and up to 70 metres in depth.