Porvoonjoki (Porvoo River, Swedish: Borgå å) is a small river in Finland. The Mediaeval town of Porvoo is situated in the river delta. It is the main river of the Porvoonjoki drainage system, the sources of which are located on the southern slopes of Salpausselkä in Kärkölä, Hollola and Lahti. The river flows through Orimattila, Pukkila, Askola and Porvoo into the Gulf of Finland. The agricultural landscape of the Porvoo River with its ancient settlements, villages and manors together with the old town of Porvoo is part of the national landscapes of Finland.[1][2]

Porvoonjoki
Location
Country	Finland
Physical characteristics
Source
• location	Salpausselkä
• elevation	68 m (223 ft)
Mouth
• location	Gulf of Finland
Length	143 km (89 mi)
Basin size	1,271 km2 (491 sq mi)
Discharge
• average	100 to 200 m3/s (3,500 to 7,100 cu ft/s)

Porvoonjoki was originally a trade route for the Tavastians and its original name may have been Kukinjoki. The name would have its roots in the Friesian nomenclature of kugg, which would correspond to other similar trading places on the coast.[3]

See also

• Kymijoki
• Vantaanjoki

References

External links

Wikimedia Commons has media related to Porvoonjoki.

• Porvoonjoki elävämmäksi: Porvoonjoen vesistöalue hyvään ekologiseen tilaan vuoteen 2027 – Itä-Uudenmaan ja Porvoonjoen vesien- ja ilmansuojeluyhdistys r.y. (in Finnish)

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[de] Porvoonjoki