| Dieksee | |
|---|---|
 | |
  Dieksee | |
| Location | Holstein Switzerland, Schleswig-Holstein, Germany |
| Coordinates | 54°09′58″N 10°31′15″E / 54.16611°N 10.52083°E |
| Primary inflows | Schwentine |
| Primary outflows | Schwentine |
| Basin countries | Germany |
| Surface area | 386 ha (950 acres) |
| Max. depth | 38 m (125 ft) |
| Surface elevation | 22 m (72 ft) |
The Dieksee is a lake in the Holstein Switzerland region of North Germany.