The Gittaz Dam

  • barrage de la Gittaz
  • La Gittaz
barrage de la GittazLa Gittaz
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.
The reservoir consists of 39.3 hectares of water; it is 65m deep and 164m long. The spillway in the form of a ski jump is one of the many innovations designed by André Coyne. The dam is fed by the Gittaz waterfall and the water collected by the Sallestet water cranes, which directly reaches Lake Roselend through a 2km pipe.
From 01/06 to 15/10, daily.
  • Main facilities :
    • Historic site and monument
  • Art collection :
    • Engineering structure
    • Dam/weir
  • Industrial heritage :
    • Industrial site
  • Services :
    • Unguided group tours
    • Unguided individual tours
  • SITRA services :
    • Unguided individual tours available permanently
  • Group tour services :
    • Unguided group tours available permanently
La Gittaz
Phone : +33 4 79 38 33 15
  • Spoken language(s) :
    • French


Barrage de la Gittaz
La Gittaz
GPS coordinates
Latitude : 45.710165
Longitude : 6.645827
Free of charge
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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.
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.