Vantaa River

Vantaanjoki () is a long river in Southern Finland. The river starts from the lake in Hausjärvi and flows into the Gulf of Finland at '''' in Helsinki. One of the tributaries of Vantaanjoki is Keravanjoki that flows through the town of Kerava north of Helsinki.

==Use as water and power supply== thumb|250px|right|A weir on the Vantaa and a small Hydroelectricity|hydro-electric power station by Kuninkaankartanonsaari island in [[Vanhakaupunki]] The country's capital, Helsinki, uses water from Vantaanjoki as its backup water supply if the Päijänne Water Tunnel needs to be repaired.