Stausee Ferden

Stausee Ferden ("Ferden reservoir") is a reservoir on the Lonza river at Ferden, Valais, Switzerland. Its surface area is 10.6 ha (26 acres). Its construction was completed in 9 June 1976.^[1]

LocationFerden, Valais

Coordinates46°23′16″N 7°45′26″E

Typereservoir

Primary inflows

Lonza

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Stausee Ferden
Stausee Ferden Location within Canton of Valais Show map of Canton of Valais Stausee Ferden Location within Switzerland Show map of Switzerland Stausee Ferden Location within Alps Show map of Alps
Interactive map of Stausee Ferden
Location	Ferden, Valais
Coordinates	46°23′16″N 7°45′26″E
Type	reservoir
Primary inflows	Lonza
Primary outflows	Lonza
Catchment area	139.2 km2 (53.7 sq mi)
Basin countries	Switzerland
Surface area	10.6 ha (26 acres)
Water volume	1.89 million cubic metres (1,530 acre⋅ft)
Residence time	36 hours
Surface elevation	1,311 m (4,301 ft)

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The lake has the shortest lake retention time in the world.^{[citation needed]}