| Lac de Chaumeçon | |
| Pushpin Map: | France |
| Location: | Nièvre |
| Coords: | 47.2872°N 3.915°W |
| Type: | artificial |
| Inflow: | Chalaux, Porcmignon |
| Outflow: | Chalaux |
| Basin Countries: | France |
| Length: | 4km (02miles) |
| Width: | 0.7km (00.4miles) |
| Area: | 1.35km2 |
| Volume: | 19000000m2 |
| Elevation: | 400m (1,300feet) |
| Islands: | 1 |
Lac de Chaumeçon is a lake in Nièvre, France. The lake is situated at an elevation of 400 m, with a surface area of 1.35 km2. The lake is adjacent to the nearby commune of Brassy, Nièvre.