 In that year professor Christopher Hansteen, who was on his way to the Hardangervidda plateau to make astronomical observations, estimated the height of the waterfall to be about by throwing stones down from the edge and measuring the time they took to fall with his pocket watch.In 1893 it was measured with a string, and the real height was revealed to be .In 1880 Ola Garen decided to build a hotel at top of the waterfall.