Barrage de Vassivière

Rectilinear weight dam. Maximum height 32.9 meters, crest development 220 meters, thickness at base 25 meters, at crest 3 meters. Reservoir covering 1,000 hectares and 106 million m3. Water is conveyed from the Port Crozat intake via a 2.6-kilometer intake gallery and a 611-meter long penstock to the Mazet underground power station.