Lag da Pigniu
| Lag da Pigniu Panixer Stausee | |
|---|---|
 View from the Panix Pass | |
| Location | Grisons |
| Coordinates | 46°49′N 9°07′E / 46.817°N 9.117°ECoordinates: 46°49′N 9°07′E / 46.817°N 9.117°E |
| Type | reservoir |
| Basin countries | Switzerland |
| Surface area | 0.4 km² |
| Max. depth | 42 m |
| Surface elevation | 1450 m |
Lag da Pigniu (or Panixer Stausee) is a reservoir above Pigniu (Panix) in the Grisons, Switzerland. The 53 m gravity dam was completed in 1989. It is operated by Kraftwerke Ilanz AG.