Oulujoki (Swedish: Ule älv) is a river in Oulu province, Finland. Its name in Finnish means literally "Oulu River", originally in old Northern Ostrobothnian dialect literally "Flood River".[citation needed] 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.

Oulujoki
Ule älv
Oulujoki river in Laanila, Oulu
Location
CountryFinland
Physical characteristics
SourceOulujärvi
 • locationVaala, Finland
 • coordinates64°33′N 026°50′E / 64.550°N 26.833°E / 64.550; 26.833
 • elevation122 m (400 ft)
MouthBothnian Bay
 • location
Oulu, Finland
 • coordinates
65°01′N 025°27′E / 65.017°N 25.450°E / 65.017; 25.450
 • elevation
0 m (0 ft)
Length107 km (66 mi)
Basin size22,900 km2 (8,800 sq mi)
Discharge 
 • average250 m3/s (8,800 cu ft/s)
Basin features
Tributaries 
 • leftMuhosjoki
 • rightSanginjoki, Utosjoki, Kutujoki

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