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Lac de Monteynard-Avignonet

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Lac de Monteynard-Avignonet
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Lac de Monteynard-Avignonet, Artificial reservoir in Isère department, France

Lac de Monteynard-Avignonet is an artificial lake in the Isère department, where turquoise water extends over a length of 20 kilometers. The reservoir reaches a depth of 115 meters in some areas and connects the valleys of the Drac and Ebron rivers.

The reservoir came into being in 1961 following the construction of a 145-meter-high dam by Électricité de France. The facility was intended to provide hydropower for electricity generation in the region.

The recreation center at Treffort has become a gathering point for water sports enthusiasts who come to use the thermal winds. The lake also attracts hikers who walk across the two suspension bridges linking the mountain slopes.

The bay at Treffort provides water access and works well for windsurfing or kitesurfing during windy afternoons. The suspension bridges are open to walkers and link several hiking paths along the shores.

The lake ranks as the second windiest in Europe because temperature differences between the water surface and mountains create strong afternoon winds. These conditions make it especially popular with kitesurfers who travel from across France.

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Elevation above the sea
490 m
Width
300 m
Operator
EDF
Address
Lac de Monteynard-Avignonet, France
GPS coordinates
44.96110,5.68840
Latest update
December 5, 2025 22:29
Lakes of Auvergne-Rhône-Alpes: volcanic craters, glacier waters, mountain dams

The Auvergne-Rhône-Alpes area has lakes from very different beginnings. Large lakes that formed from glaciers, like Lake Bourget or Lake Annecy, appeared after the glaciers in the Alps melted. They have deep water surrounded by mountains. In the Massif Central, volcanic lakes sit in old craters,...

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« Lac de Monteynard-Avignonet - Artificial reservoir in Isère department, France » is provided by Around Us (aroundus.com). Images and texts are derived from Wikimedia project under a Creative Commons license. You are allowed to copy, distribute, and modify copies of this page, under the conditions set by the license, as long as this note is clearly visible.

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