The Saint Guérin Dam

Arêches-Beaufort,
  • Lac et Barrage de St Guérin
  • Paserelle de St Guérin
Lac et Barrage de St GuérinPaserelle de St Guérin
Saint Guérin, patron saint of herds gave his name to the valley and the dam, which was built between 1957 and 1961. The dam contributes to feeding Lake Roselend through a connecting pipe between the reservoirs that operate in the manner of communicating vessels.
Its water surface is 50 hectares with a depth of 70m and a capacity of 13 million m3. Its arched-gravity structure measures 250m long. The reservoir receives each year the equivalent of twice its storage capacity.
From 15/05 to 15/10, daily.
  • Main facilities :
    • Historic site and monument
  • Parking :
    • Parking
  • Art collection :
    • Engineering structure
    • Dam/weir
  • Industrial heritage :
    • Industrial site
  • Equipment :
    • Public WC
  • Services :
    • Unguided group tours
    • Unguided individual tours
  • SITRA services :
    • Unguided individual tours available permanently
  • Information panels :
    • English (EN)
    • French (EN)
  • Group tour services :
    • Unguided group tours available permanently
Contact
Saint Guérin
73270
Arêches-Beaufort
Phone : +33 4 79 38 33 15
  • Reception :
    • French
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Directions to :
Saint Guérin
73270
Arêches-Beaufort
GPS coordinates
Latitude : 45.651083
Longitude : 6.580896
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Arêches-Beaufort
Built between 1962 and 1967, the Gittaz Dam can store 13 million m3 of water, its arched-gravity structure with triangular base uses its own weight to withstand the force of the water.
Along with the dams of Gittaz and Saint Guérin, the Roselend Dam feeds the hydroelectric plant of La Bâthie. Located in the heart of the mountain pastures, near Mont Blanc, it is a beautiful site for fishing and hiking. This is the 4th highest dam in France.
1099 Points – The final section of the climb to St Guérin Reservoir, in the heart of the Beaufortain, is very strenuous but the magnificent countryside will take your mind off tired legs. And, on the descent, you can stock up on calories at the Beaufort cooperative dairy!