Vantaa River basin

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.

lake in Uusimaa region, Finland

The ' (; the Kerava River''') is a river in Finland. The 65-kilometer-long river starts from Lake Ridasjärvi in Hyvinkää. The Keravanjoki is a tributary of the Vantaa River that flows into the Gulf of Finland at Helsinki. As the name implies, the river runs through the town of Kerava.