The Vantaa River is a 101 kilometres (62.8 mi) long river
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...
Southern Finland was a province of Finland from 1997 to 2010. It bordered the provinces of Western Finland and Eastern Finland. It also bordered the Gulf of Finland and Russia.- History :...
Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...
. The river starts from the lake in Hausjärvi
Hausjärvi is a municipality of Finland. Its seat is in Oitti.It is located in the province of Southern Finland and is part of the Tavastia Proper region. The municipality has a population of and covers an area of of which is water...
and flows into the Gulf of Finland
Gulf of Finland
The Gulf of Finland is the easternmost arm of the Baltic Sea. It extends between Finland and Estonia all the way to Saint Petersburg in Russia, where the river Neva drains into it. Other major cities around the gulf include Helsinki and Tallinn...
at in Helsinki
Helsinki is the capital and largest city in Finland. It is in the region of Uusimaa, located in southern Finland, on the shore of the Gulf of Finland, an arm of the Baltic Sea. The population of the city of Helsinki is , making it by far the most populous municipality in Finland. Helsinki is...
. One of the tributaries of the Vantaa river is Keravanjoki
The is a river in Finland. It is a tributary of the Vantaa River that flows into the Gulf of Finland at Helsinki.-See also:*List of rivers of Finland...
that flows trough the town of Kerava
Kerava is a town and municipality in Finland.It is located in the province of Southern Finland and is part of the Uusimaa region. The town has a population of and covers an area of of which is water. The population density is...
north of Helsinki.
Use as water and power supplyThe country's capital, Helsinki, uses water from the Vantaa River as its backup water supply if the Päijänne Water Tunnel
Päijänne Water Tunnel
The Päijänne Water Tunnel , located in Southern Finland, is the world's second longest continuous rock tunnel . It is long and runs 30–100 meters under the surface in bedrock...
needs to be repaired.
The Helsinki-based energy company Helsingin Energia
Helsingin Energia , Helsingfors Energi , founded in 1909 and based in Helsinki, is one of the largest energy companies in Finland...
has a working power station museum located at the mouth of Vantaanjoki. The Hydropower Plant produces an average of 500 MWh annually.