Viddalsdammen (Norwegian for "The Viddal Dam") is a lake and a reservoir in Aurland Municipality in Vestland county, Norway. The reservoir has an area of 4.13-square-kilometre (1.59 sq mi) and the elevation varies between 930 metres (3,050 ft) and 868 m (2,848 ft) above sea level. Viddalsdammen is located at the end of the Låvisdalen valley, about 11 kilometres (6.8 mi) southeast of the village of Aurlandsvangen, about 7 kilometres (4.3 mi) southeast of the village of Flåm, and about 6 kilometres (3.7 mi) northeast of Myrdal Station.