| Offensee | |
|---|---|
 Offensee | |
Offensee | |
| Location | Upper Austria |
| Coordinates | 47°45′N 13°50′E / 47.750°N 13.833°E / 47.750; 13.833 |
| Type | lake |
Offensee is a lake located at the western end of the Totes Gebirge mountain range in Upper Austria's part of the Salzkammergut.