| Lac de Vallon | |
|---|---|
 | |
  Lac de Vallon | |
| Location | Bellevaux, Haute-Savoie |
| Coordinates | 46°12′56″N 6°33′35″E / 46.21556°N 6.55972°E / 46.21556; 6.55972 |
| Primary inflows | Brévon |
| Primary outflows | Brévon |
| Basin countries | France |
| Surface area | 15 ha (37 acres) |
| Max. depth | 16 m (52 ft) |
| Surface elevation | 1,080 m (3,540 ft) |
| Frozen | Winter |
Lac de Vallon is a lake at Bellevaux in the Haute-Savoie department of France. The lake formed in 1943 when a landslide blocked the course of the Brévon river.
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