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| Vantaanjoki | |
|---|---|
The Vantaa in June 2008 | |
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| Location | |
| Country | Finland |
| Physical characteristics | |
| Source | Lake Erkylänjärvi |
| • location | Hausjärvi |
| Mouth | Gulf of Finland |
• location | Vanhankaupunginselkä, Helsinki |
Vantaanjoki (Swedish: Vanda å) is a 101-kilometre (63 mi) long river in Southern Finland. The river starts from the lake Erkylänjärvi in Hausjärvi and flows into the Gulf of Finland at Vanhankaupunginselkä in Helsinki. One of the tributaries of Vantaanjoki is Keravanjoki that flows through the town of Kerava north of Helsinki.

The country's capital, Helsinki, uses water from Vantaanjoki as its backup water supply if the Päijänne Water Tunnel needs to be repaired.
The Helsinki-based energy company Helsingin Energia has a working power station museum located at the mouth of Vantaanjoki. The Vanhakaupunki Hydropower Plant produces an average of 500 MWh annually.
Media related to Vantaanjoki at Wikimedia Commons
60°13′N 024°59′E / 60.217°N 24.983°E