Ruhijärv
| Ruhijärv | |
|---|---|
| Location | Mulgi Parish, Viljandi County, Estonia |
| Coordinates | 58°00′50″N 25°30′43″E / 58.014°N 25.512°E |
| Basin countries | Estonia |
| Surface area | 84.5 ha (209 acres) |
| Average depth | 2.9 m (9 ft 6 in) |
| Max. depth | 6.8 m (22 ft) |
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Ruhijärv is a lake in Mulgi Parish, Viljandi County, Estonia. The area of the lake is 84.5 ha (209 acres) and its maximum depth is 6.8 m (22 ft). The river Rūja starts from Ruhijärv.