Lac de Bret is a lake in the municipality of Puidoux, in the canton of Vaud, Switzerland. It is located north of Lake Geneva. The natural lake is used as a drinking water reservoir for the city of Lausanne. The first dam was built 1875 to supply water for the Lausanne-Ouchy funicular. See also List of lakes of Switzerland External links L'eau potable du lac de Bret Hiking around the lake Fishing on Lac de Bret Lakes of the canton of Vaud Lakes of Switzerland