Lac du Vieux Émosson

Lac du Vieux Émosson is a reservoir in Valais, Switzerland, in the municipality of Finhaut at an elevation of 2205 m. The lake drains into the reservoir Lac d'Émosson, 300 m below.

Lac du Vieux Émoson
LocationValais
Coordinates46°3′45″N 6°53′21″E
Catchment area4.6 km2 (1.8 sq mi)
Basin countriesSwitzerland
Max. length1.5 km (0.93 mi)
Surface area0.55 km2 (0.21 sq mi)
Max. depth42 m (138 ft)
Water volume13.8 million cubic metres (11,200 acre⋅ft)
Surface elevation2,205 m (7,234 ft)

The arch dam Vieux Émosson was completed in 1955. Efforts to raise the dam 20 m (66 ft) began in 2013 and should be completed in the 2015. It will form the upper reservoir for the 900 MW Nant de Drance Hydropower Plant which is expected to be operational beginning in 2018.[1]

References

  1. "The Heart of the Mountain" (in French). Nant de Drance SA. Retrieved 11 January 2015.


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