Vantaanjoki

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.

Source: Wikipedia https://en.wikipedia.org/wiki/Vantaanjoki