Lac du Vieux Émosson

Not to be confused with Lac d'Émosson.
Lac du Vieux Émoson
Location Valais
Coordinates 46°3′45″N 6°53′21″E / 46.06250°N 6.88917°E / 46.06250; 6.88917Coordinates: 46°3′45″N 6°53′21″E / 46.06250°N 6.88917°E / 46.06250; 6.88917
Catchment area 4.6 km²
Basin countries Switzerland
Max. length 1.5 km
Surface area 0.55 km²
Max. depth 42 m
Water volume 13.8 Mio. m³
Surface elevation 2205 m

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.

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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