Lac de Joux
Canton of Vaud, Switzerland
Lac de Joux (French pronunciation: [lak də ʒu]) is a lake in the Vallée de Joux in the Canton of Vaud, Switzerland. With a surface area of 9.5 km2, it is the largest lake in Switzerland lying above 1,000 metres. Lac de Joux is located in the Jura Mountains.
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