Lake Der-Chantecoq
| Lake Der-Chantecoq Lac du Der-Chantecoq | |
|---|---|
| Location | Champagne-Ardenne |
| Coordinates | 48°34′57″N 4°45′33″E / 48.58250°N 4.75917°E |
| Type | artificial lake |
| Primary inflows | Marne |
| Primary outflows | Marne |
| Catchment area | 2,900 km2 (1,100 sq mi) |
| Basin countries | France |
| Surface area | 48 km2 (19 sq mi) |
| Max. depth | 15 m (49 ft) |
| Water volume | 350 hm3 (280,000 acre⋅ft) |
| Settlements | Sainte-Marie-du-Lac-Nuisement, Giffaumont-Champaubert |
Lake Der-Chantecoq (French: Lac du Der-Chantecoq, pronounced [lak dy dɛʁ ʃɑ̃tkɔk]) is situated close to the commune of Saint-Dizier in the departments of Marne and Haute-Marne. It is the largest artificial lake in France, covering 48 km2 (19 sq mi) with 350 million m³ of water. The lake is named after the Der plain, in which it is located, and the submerged village Chantecoq.
The lake is fed by a 12 km long canal that branches off the river Marne in Saint-Dizier. The outflow of the lake is a canal that joins the Marne in Arrigny, 20 km downstream of Saint-Dizier. The lake is located in the communes (clockwise starting from the north) Sainte-Marie-du-Lac-Nuisement, Éclaron-Braucourt-Sainte-Livière, Giffaumont-Champaubert, Arrigny, Larzicourt and Écollemont.