The Rjukan in July 2007
Rjukan waterfall is a waterfall of 104 meters height, in the western part of the Westfjords valley in the municipality of Tinn in the north of the province of Telemark ( Norway). The waterfall is part of Måna River Systems, formerly the waterfall was a major tourist attraction, one of the first floodlit waterfalls. This is operated by the energy generated by the waterfall. In 1905, the energy of Norsk Hydro, for the production of saltpeter was used.
The name comes from the Old Norse language Rjúkandi and is from the verb rjúka " smoke " (referring to the foam from the waterfall ) is derived. Fossen The second part comes from the Norwegian word for foss 'waterfall' and was attached later.