Lac de Derborence is a mountain lake in the municipality of Conthey, Valais, Switzerland, located near the hamlet of Derborence. It was formed after rockfalls on 24 September 1714 and 23 June 1749. In 1749, an estimated 50 million m3 of rocks blocked the course of the Derbonne river and led to the formation of the lake.

Lac de Derborence
View from the west side
Lac de Derborence is located in Canton of Valais
Lac de Derborence
Lac de Derborence
Lac de Derborence is located in Canton of Vaud
Lac de Derborence
Lac de Derborence
Lac de Derborence is located in Switzerland
Lac de Derborence
Lac de Derborence
Lac de Derborence is located in Alps
Lac de Derborence
Lac de Derborence
LocationConthey, Valais
Coordinates46°16′44″N 7°13′2″E / 46.27889°N 7.21722°E / 46.27889; 7.21722
Primary inflowsDerbonne
Basin countriesSwitzerland
Surface area4.4 ha (11 acres)
Surface elevation1,449 m (4,754 ft)
Map

See also

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