Barrage de Sarrans, Hydroelectric dam in Aveyron, France
The Sarrans Dam is a concrete gravity dam that holds back the Truyère river in the Aveyron department. Its wall rises 105 meters above the river bed, and the reservoir behind it stretches 35 kilometers, making it one of the largest artificial lakes in France.
Built in the 1930s, the Sarrans Dam was part of a push to bring electricity to the region. Over the years, its power plant was updated with new turbines, and the dam remains a key piece of the area's energy network.
The dam is a familiar landmark for people in the Truyère valley, and its reservoir is used for fishing, boating, and walks along the shore. The name Sarrans comes from the small village nearby, and the site often appears in local stories about the river's transformation.
The dam is best reached by car, with parking available near the crest, and the surrounding roads offer several viewpoints over the lake and the valley. Visitors can walk or drive across the crest for a close look at the structure and the water, but access may be limited during maintenance periods.
The reservoir behind the dam is so large that it can supply a city the size of Rodez or Aurillac with electricity. Few visitors realize that the lake covers 1,000 hectares and holds 296 million cubic meters of water.
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