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Lac des Dix

The Grande Dixence Dam is a concrete gravity dam in the Val d'Hérémence, canton of Valais, Switzerland. The reservoir created by the dam is the Lac des Dix.

The dam's crest reaches an altitude of 2,365 meters a.s.l. The reservoir’s water level is somewhat lower and fluctuates considerably over the months (decreasing in winter, lowest in spring, increasing in summer, highest level is reached in September/October). When I was there on 11 October the water level was only 8 meters below maximum (see photo!).

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Uploaded on October 19, 2025
Taken on October 11, 2025