| Postsee | |
|---|---|
| Location | Kreis Plön, Schleswig-Holstein |
| Primary inflows | Alte Schwentine, Nettelau, Honigau, Neuwührener Au |
| Primary outflows | Schwentine |
| Basin countries | Germany |
| Max. length | 4.8 km |
| Max. width | 1.2 km |
| Surface area | 276.4 ha |
| Average depth | 3.9 m |
| Max. depth | 9.1 m |
| Shore length1 | 11.1 km |
| Surface elevation | 20.6 m |
| Settlements | Preetz |
| 1 Shore length is not a well-defined measure. | |
Postsee is a lake in Kreis Plön, Schleswig-Holstein, Germany. At an elevation of 20.6 m, its surface area is 276.4 ha.