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Porvoonjoki (Porvoo River, Borgå å in Swedish) is a small river in Finland. The Mediaeval town of Porvoo is situated in the river delta.

Porvoonjoki
Porvoo riverside.jpg
Native nameBorgå å
Location
CountryFinland
Physical characteristics
Source 
 ⁃ locationSalpausselkä
 ⁃ elevation68 m (223 ft)
Mouth 
 ⁃ location
Gulf of Finland
Length143 km (89 mi)
Basin size1,271 km2 (491 sq mi)
Discharge 
 ⁃ average100 to 200 m3/s (3,500 to 7,100 cu ft/s)
Rapid in Orimattila, Virenoja

Coordinates: 60°23′N 25°40′E / 60.383°N 25.667°E / 60.383; 25.667

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