| Viddalsdammen | |
|---|---|
| Fretheimsdalsvatnet Viddalsvatnet Liverdalsvatnet | |
 | |
| Location | Aurland Municipality,Vestland |
| Coordinates | 60°47′28″N7°14′16″E / 60.79115°N 7.23775°E /60.79115; 7.23775 |
| Basin countries | Norway |
| Surface area | 4.13 km2 (1.59 sq mi) |
| Surface elevation | 868 to 930 metres (2,848 to 3,051 ft) |
| References | NVE[1] |
| Location | |
 Interactive map of Viddalsdammen | |
Viddalsdammen[2] (lit. 'The Viddal Dam') is alake and areservoir inAurland Municipality inVestland 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.[3] Viddalsdammen is located at the end of the Låvisdalen valley, about 11 kilometres (6.8 mi) southeast of the village ofAurlandsvangen, about 7 kilometres (4.3 mi) southeast of the village ofFlåm, and about 6 kilometres (3.7 mi) northeast ofMyrdal Station.
The reservoir was formed as part of the building of theAurland Hydroelectric Power Station in the 1960s and 1970s when a rock-fill dam was built at the end of the lake Viddalsvatnet. After damming the level ofViddalsvatnet was raised to include the two upstream lakesLiverdalsvatnet andFretheimsdalsvatnet, and they now form one 8-kilometre (5.0 mi) long contiguous lake. Viddalsdammen receives water through an extensive system of water tunnels that extends around the entireAurlandsdalen valley.[4]