| Lac de Tseuzier | |
|---|---|
| Location | Valais |
| Lake type | reservoir |
| Primary outflows | La Liène |
| Catchment area | 18.7 km² |
| Basin countries | Switzerland |
| Surface area | 0.85 km² |
| Max. depth | 140 m |
| Water volume | 51 mio m³ |
| Surface elevation | 1777 m |
Lac de Tseuzier is an artificial lake in the canton of Valais, Switzerland. It is located in the municipalities of Ayent and Icogne. The reservoir has a volume of 51 mio m³ and a surface area of 0.85 km². It was formed by the dams of Zeuzier (156 m) and Proz-Riond (20 m) built in 1957.