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. See also List of lakes of Switzerland List of mountain lakes of Switzerland External links Swiss dams: Panix Reservoirs in Switzerland Lakes of Graubünden Ilanz/Glion