Petajaskoski
| Dam Name | Petajaskoski |
| River | Kemijoki |
| Near City | Rovaniemi |
| Administration City | Northern |
| Country | Finland |
| Year | 1957 |
| Dam Height | 23 |
| Dam Length | 11800 |
| Area(Sqkm) | 27.9 |
| Area(Polygonal) | 27.9 |
| Capital Expenditure | 115.4 |
| Depth(M) | 4.1 |
| Avg Displacement Of Water | 478347 |
| Catchment Area In Sqkm | 50231 |
| Main Usage | Hydroelectricity |
| Status | 3: Fair |
| Longitude | 25.35875 |
| Latitude | 66.282917 |
List all Dams and Reservoirs