Oulu River

Oulujoki
Ule älv
River
Oulujoki river in Laanila, Oulu
Country	Finland
Tributaries
- left	Muhosjoki
- right	Sanginjoki, Utosjoki, Kutujoki
Source	Oulujärvi
- location	Vaala, Finland
- elevation	122 m (400 ft)
- coordinates	64°33′N 026°50′E / 64.550°N 26.833°E / 64.550; 26.833
Mouth	Bothnian Bay
- location	Oulu, Finland
- elevation	0 m (0 ft)
- coordinates	65°01′N 025°27′E / 65.017°N 25.450°E / 65.017; 25.450Coordinates: 65°01′N 025°27′E / 65.017°N 25.450°E / 65.017; 25.450
Length	107 km (66 mi)
Basin	22,900 km2 (8,800 sq mi)
Discharge
- average	250 m3/s (8,829 cu ft/s)

Oulujoki (in modern Finnish literally "Oulu River", originally in old Northern Ostrobothnian dialect literally "Flood River", Swedish: Ule älv) is a river in Oulu province, Finland. Its origin is Oulujärvi and its watershed area covers a significant part of Kainuu region. It flows into the Bothnian Bay at Oulu. Port of Oulu is located at the mouth of the river.