The (; the Kerava River) is a river in Finland. The 65-kilometer-long river starts from Lake Ridasjärvi in Hyvinkää.Karttapaikka: Ridasjärvi, Hyvinkää – Maanmittauslaitos (in Finnish) The Keravanjoki is a tributary of the Vantaa River that flows into the Gulf of Finland at Helsinki.Virkisty Keravanjoella – Vantaanjoen ja Helsingin seudun vesiensuojeluyhdistys (in Finnish) As the name implies, the river runs through the town of Kerava.
See also Kaljakellunta, an annual social event on the river List of rivers of Finland
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