| Formarinsee | |
|---|---|
| Location | Vorarlberg |
| Coordinates | 47°10′3″N 9°59′27″E / 47.16750°N 9.99083°ECoordinates: 47°10′3″N 9°59′27″E / 47.16750°N 9.99083°E |
| Primary outflows | Lech |
| Basin countries | Austria |
Formarinesee is a lake in the Austrian Alps. It lies in the Bundesland of Vorarlberg and lends its name to the close-by Formarinbach, one of the two source rivers of the River Lech.