| Etang de la Gruère | |||||
| Location: | Canton of Jura | ||||
| Coords: | 47.2389°N 7.0467°W | ||||
| Type: | artificial lake, bog | ||||
| Basin Countries: | Switzerland | ||||
| Length: | 600m (2,000feet) | ||||
| Area: | 0.08km2[1] | ||||
| Max-Depth: | 4.5m (14.8feet) | ||||
| Elevation: | 998m (3,274feet) | ||||
| Pushpin Map: | Canton of Jura#Canton of Bern#Switzerland#Alps | ||||
| Pushpin Label Position: | bottom | ||||
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Etang de la Gruère is a small lake in the Jura range near Saignelégier, Canton of Jura, Switzerland. The lake and the surrounding bog is a nature preserve. The lake was formed in the 17th century, when a dam was built for a mill.