| Zervreilasee | |
|---|---|
| Location | Vals, Grisons |
| Lake type | reservoir |
| Primary inflows | Valser Rhein, Hornbach, Canalbach |
| Primary outflows | Valser Rhein |
| Catchment area | 63.9 km² |
| Basin countries | Switzerland |
| Surface area | 1.61 km² |
| Max. depth | 140 m |
| Water volume | 101 mio m³ |
| Surface elevation | 1,862 m |
Zervreilasee is a reservoir near Vals in the canton of Grisons, Switzerland. The lake has a surface area of 1.61 km² and an elevation of 1,862 m. The maximum depth is 140 m.
The dam is 151 m high and was completed in 1957. The village of Zervreila was flooded after the construction of the dam.