A waterfall in Þjórsá river. Þjorsá river is the longest glacier river in Iceland, about 230 kilometer long, it‘s also the most powerful one carrying about 360 m3/sec of water. The water is coming all the way from Vatnajökull ice cap, coming out from under Hofsjökull. In 1927 a company was granted a permit to build a 160.000 horsepower hydro plant. This powerplant was suppose to supply Reykjavík for electricity. This powerplant was never built.
