| Werdenbergersee | |||||
| Location: | Werdenberg, St. Gallen | ||||
| Coords: | 47.1675°N 9.4639°W | ||||
| Basin Countries: | Switzerland | ||||
| Elevation: | 447m (1,467feet) | ||||
| Pushpin Map: | Canton of St. Gallen#Switzerland#Alps | ||||
| Pushpin Label Position: | bottom | ||||
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Werdenbergersee is a small lake in Buchs, below the town of Werdenberg, in the municipality of Grabs, Canton of St. Gallen, Switzerland.