| Kalajoki | |
|---|---|
| Mouth | Baltic Sea |
| Length | 130 km (81 mi) |
| Basin area | 4,247 km2 (1,640 sq mi) |
Kalajoki (literally "Fish River") is a 130 kilometres (80 mi) long river in Oulu province, Finland. Its origin is near Haapajärvi and flows into Baltic Sea at Kalajoki municipality.