Vestfjorddalen is a valley in Tinn Municipality in Telemark county, Norway. The 30-kilometre long valley stretches from the lake Tinnsjå westwards past Rjukan, Vemork, and Rjukan Falls to the lake Møs

Rjukan Falls or Rjukanfossen is a waterfall in the western part of the Vestfjorddalen valley in Tinn Municipality in Telemark county, Norway. The 104-metre waterfall is located on the river Måna, abou