Jämsänjoki is a river in

Finland Finland, officially the Republic of Finland, is a Nordic country in Northern Europe. It borders Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bothnia to the west and the Gulf of Finland to the south, ...

in the town of

Jämsä Jämsä () is a town and municipality of Finland. It is located in the Central Finland region, about southwest of Jyväskylä. The municipality has a population of (), which makes it the second most populous town of the Central Finland after ...

Central Finland Central Finland (; ) is a Regions of Finland, region ( / ) in Finland. It borders the regions of Päijät-Häme, Pirkanmaa, South Ostrobothnia, Central Ostrobothnia, North Ostrobothnia, Northern Savonia, North Savo, and Southern Savonia, South S ...

region. It is long and has a watershed of about . The river flows from Kankarisvesi into the Lake Päijänne, from which the waters flows into the

Gulf of Finland The Gulf of Finland (; ; ; ) is the easternmost arm of the Baltic Sea. It extends between Finland to the north and Estonia to the south, to Saint Petersburg—the second largest city of Russia—to the east, where the river Neva drains into it. ...

through the

Kymijoki The Kymi (, ) is a river in Finland. It begins at Lake Päijänne, flows through the provinces of Päijänne Tavastia, Uusimaa and Kymenlaakso, and discharges into the Gulf of Finland. The river passes the towns of Heinola and Kouvola. The to ...

river.

See also