Lac Brenet is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in the Vallée de Joux

Vallée de Joux

The Vallée de Joux is a valley of the Jura Mountains in the Swiss Canton of Vaud. Located 20 miles north of Geneva and Lausanne, its mean elevation is over 3300 feet . There are three lakes in the Vallée de Joux : the lac de Joux , the lac Brenet and the lac Ter...

, canton of Vaud

Vaud

Vaud is one of the 26 cantons of Switzerland and is located in Romandy, the French-speaking southwestern part of the country. The capital is Lausanne. The name of the Canton in Switzerland's other languages are Vaud in Italian , Waadt in German , and Vad in Romansh.-History:Along the lakes,...

, Switzerland

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

. It is located north of the Lac de Joux

Lac de Joux

Lac de Joux is a lake in the Vallée de Joux in the Canton of Vaud, Switzerland.-External links:* at Le Pont...

, only 200 meters away. Its elevation of 1002 meters is 2 meters below that of Lac de Joux.

The lake used to drain naturally underground and the water resurfaced at the source of the Orbe River. Today the lake is used as a reservoir

Reservoir

A reservoir , artificial lake or dam is used to store water.Reservoirs may be created in river valleys by the construction of a dam or may be built by excavation in the ground or by conventional construction techniques such as brickwork or cast concrete.The term reservoir may also be used to...

 of the hydroelectric plant at Vallorbe

Vallorbe

Vallorbe is a municipality in the district of Jura-Nord Vaudois in the canton of Vaud in Switzerland.-History:Vallorbe is first mentioned in 1139 as de valle urbanensi. In 1148 it was mentioned as de valle urbe.-Geography:...

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It is not to be confused with Lac des Brenets

Lac des Brenets

Lac des Brenets or Lac de Chaillexon is a lake on the Doubs River on the border of Switzerland and France.-External links:* at Les Brenets...

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