| Lag da Pigniu | |||||
| Other Name: | Panixersee Panixer Stausee | ||||
| Location: | Grisons | ||||
| Type: | reservoir | ||||
| Basin Countries: | Switzerland | ||||
| Area: | 40ha | ||||
| Max-Depth: | 42m (138feet) | ||||
| Elevation: | 1450m (4,760feet) | ||||
| Pushpin Map: | Canton of Graubünden#Switzerland#Italy#Alps | ||||
| Pushpin Label Position: | bottom | ||||
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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.