Plan d'Amont and Plan d'Aval dams
Built between 1945 and 1956, these two reservoirs are part of the hydroelectric complex of the Haute-Maurienne and participate in the filling of the Mont-Cenis dam lake.
They are located at the doors of the Vanoise National Park.
Description
Fed by mountain streams, the Plan d'Amont and Plan d'Aval dams power the valley's power stations.
Barrage de Plan d'Amont: this concrete gravity dam, 350 m long, is built in honeycombs and buttresses on the glacial lock that obstructs the valley. It has a reservoir capacity of 8,000,000 m3, twice that of the Plan d'Aval, and collects all the water from the Saint-Benoît, capturing the catchment area bounded by the Rateau d'Aussois, the Col de la Masse, the Pointe de l'Echelle, the Col d'Aussois, the Pointe de Labby and the western foothills of the Dent Parrachée.
The water is turbined in a small power station called "Plan d'Aval", hidden at the bottom of the talweg, before being discharged into the Plan d'Aval reservoir.
They are also the perfect place for a pleasant stroll or a spot of fishing. Public domain.
Services
- Animals accepted
Environments
- In the mountains
Rates
Free access.
Opening period
From 01/01 to 31/12, every day.
Subject to snow conditions.
Spoken languages
- French
Location
Access via a mountain road closed to buses - 7 km from the village.
The access road is closed to traffic in winter. However, access is possible for hikers (on snowshoes). For information on access conditions, contact the Tourist Office atAussois.
Documents
Animals
Animals accepted : Yes
Animals accepted with supplement : No
Be careful with the limits of the Vanoise National Park because animals, even if kept on a leash, are forbidden.