| Hirvijärvi Reservoir | |
|---|---|
| Coordinates | 62°48′N 23°06′E / 62.800°N 23.100°E |
| Type | Reservoir |
| Catchment area | Lapuanjoki |
| Basin countries | Finland |
| Surface area | 15.272 km2 (5.897 sq mi) |
| Shore length1 | 41.8 km (26.0 mi) |
| Surface elevation | 88.6 m (291 ft) |
| References | |
| 1 Shore length is not a well-defined measure. | |
Hirvijärvi Reservoir (Finnish: Hirvijärven tekojärvi) is medium-sized lake in the Lapuanjoki main catchment area. It is located in the region Southern Ostrobothnia, in the municipality of Seinäjoki, Finland.