| Jungerfernsee | |
|---|---|
 Jungfernsee near Nedlitz | |
  Jungerfernsee | |
| Location | near Potsdam, Germany |
| Coordinates | 52°25′N 13°05′E / 52.417°N 13.083°E |
| Primary inflows | River Havel |
| Primary outflows | River Havel, Sacrow–Paretz Canal |
| Basin countries | Germany |
| Surface area | 1.242 km2 (0.480 sq mi) |
| Max. depth | 4 m (13 ft) |
| Surface elevation | 29.4 m (96 ft) |
The Jungfernsee (translated "Virgin Lake") is north of Potsdam, Germany. It was a glacial kettle and is now part of the River Havel, which runs along its southeastern shore, which is also the only part of its shores that is in Berlin. The rest of the lake lies in the Potsdam district.