Stausee Ferden
Reservoir in Ferden, Valais
46°23′16″N 7°45′26″E / 46.38778°N 7.75722°E / 46.38778; 7.75722![Map](https://maps.wikimedia.org/img/osm-intl,14,a,a,270x200.png?lang=en&domain=en.wikipedia.org&title=Stausee_Ferden&revid=1238484016&groups=_7fe7500cec9ed322cc7020ce40a399aad6f01ef2)
Stausee Ferden ("Ferden reservoir") is a reservoir on the Lonza river at Ferden, Valais, Switzerland. Its surface area is 10.6 ha (26 acres).
The lake has the shortest lake retention time in the world.
See also
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