Lac de Monteynard-Avignonet
Reservoir in Isère From Wikipedia, the free encyclopedia
The Lac de Monteynard-Avignonet (Lake of Monteynard-Avignonet) is an artificial water reservoir for the Électricité de France (EDF) power station on the river Drac. It belongs to the department of Isère. It is bounded by the canyons of the Drac and Ebron.
| Lac de Monteynard-Avignonet | |
|---|---|
 Lake and dam | |
  Lac de Monteynard-Avignonet | |
| Location | Isère |
| Coordinates | 44.9611°N 5.6884°E |
| Type | Reservoir |
| Primary inflows | Drac |
| Primary outflows | Drac |
| Basin countries | France |
| Max. length | 10 km (6.2 mi) |
| Max. width | 300 m (980 ft) |
| Surface area | 6.60 km2 (2.55 sq mi) |
| Max. depth | 115 m (377 ft) |
| Surface elevation | 500 m (1,600 ft) |
The lake was created in 1961, when the 145-metre-high dam was built. The lake is 10 kilometres long; in some places it is up to 300 metres wide.
This lake is often windy and wavy. It is considered to be one of the best places for windsurfing and kitesurfing in Europe. It is also an important site for fishing, as it has a great variety of fish species. Swimming in the lake is not permitted, it is tolerated at Treffort plage as long as you stay near the shore.
The lake is bordered by the following municipalities: Avignonet, Cognet, Marcieu, Mayres-Savel, Monteynard, La Motte-Saint-Martin, Roissard, Saint-Arey, Sinard, Treffort.
In 2007 two simple suspension bridges were built across the Drac and Ebron. The bridges are 220 and 180 metres long, respectively, and used 1200 metres of cable.[1][2] Depending on the level of the water in the lake, the Drac bridge is 45–85 metres high above the lake.[1] Construction of the bridges was achieved with the help of helicopters.
The bridge design was based on traditional simple suspension bridges used in the Andes (see Inca rope bridge) and Himalayas to cross deep gorges from rim to rim. Locally, the Drac and Ebron bridges are known as passerelles himalayennes (French, "Himalayan footbridges").[1] Like some traditional bridges of this type, the Drac and Ebron bridges are stabilized with cables from below the deck.
The bridges allow hiking and biking from Matheysine to Trièves, as part of a 30 km route around the lake.
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