Nøklevann
| Nøklevann | |
|---|---|
Nøklevann, seen from north | |
| Location | Oslo, Norway |
| Coordinates | 59°52′31″N 10°52′37″E / 59.87528°N 10.87694°E |
| Type | Natural lake |
| Primary outflows | Ljanselva |
| Basin countries | Norway |
| Surface area | 0.63 km2 (0.24 sq mi) |
| Max. depth | 34 m (112 ft) |
| Surface elevation | 163 m (535 ft) |
Nøklevann is a lake in Østmarka in Oslo, Norway. It has a surface area of 0.8 km2, and is 163 meters above sea level. The lake drains through Ljanselva to Bunnefjorden. It is a former drinking water supply for Oslo.