Lac de Moiry

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Lac de Moiry
Lac de Moiry
Lac de Moiry
Location: Canton of Valais
Tributaries: various mountain streams
Drain: Gougra
Lac de Moiry (Canton of Valais)
Lac de Moiry
Coordinates 610 195  /  108762 coordinates: 46 ° 7 '49 "  N , 7 ° 34' 14"  O ; CH1903:  610 195  /  108762
Data on the structure
Lock type: Arch dam
Construction time: 1958
Height of the barrier structure : 148 m
Height above the river bed : 120 m
Building volume: 815 000  m³
Crown length: 610 m
Operator: Forces Motrices de la Gougra SA, Sierre
Data on the reservoir
Altitude (at congestion destination ) 2249  m above sea level M.
Water surface 1.4 km²
Reservoir length 2.4 km
Storage space 77 000 000  m³
Total storage space : 78 000 000  m³
Catchment area 29.0 km²
Design flood : 60 m³ / s
Map Lac de Moiry.png
Detailed map

The Lac de Moiry is located in the canton of Valais in the municipality of Anniviers .

Location and use

The lake is embedded between the Garde de Bordon at 3310  m above sea level. M. , the Corne de Sorebois (2896 m above sea level) and the Sasseneire (3254 m above sea level).

The dammed water is used to generate energy in the Gougra power plant (588 GWh per year) and in the Mottec , Vissoie and Chippis (Navizence) hydropower plants .


The reservoir can be reached from Sierre through the Val d'Anniviers . The last larger town before the reservoir is Grimentz .

The national hiking route no. 6 Alpine Passes Trail from SwitzerlandMobility leads over the dam.


The Moiry dam was completed in 1958. It was planned by Alfred Stucky .

Web links

Commons : Lac de Moiry  - collection of images, videos and audio files

Individual evidence

  1. Website of the Alpiq Group ( Memento of the original dated August 30, 2011 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , accessed June 19, 2011 @1@ 2Template: Webachiv / IABot /