Kiehimänjoki is a river of

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...

. It flows for . The river begins from lake Iijärvi in

Paltamo Paltamo ( sv, Paltamo, also ) is a municipality of Finland. It is part of the Kainuu region. The municipality has a population of () and covers an area of of which is water. The population density is . There are two built-up areas in the municip ...

in Kainuu region and ends to the lake

Oulujärvi Oulujärvi (; sv, Ule träsk; also known as Lake Oulu) is a large lake in the Kainuu region of Finland. With an area of it is the fifth largest lake in the country. The lake is drained by the Oulu River, which flows northwestward from the lake ...

, from which the waters flow through the

Oulujoki Oulujoki is a river in Oulu province, Finland. Its name in Finnish means literally "Oulu River" ( sv, Ule älv), originally in old Northern Ostrobothnian dialect literally "Flood River". Its origin is Oulujärvi and its watershed area covers ...

River into the Gulf of Bothnia. The river drains a chain of lakes that originates in the municipalities of

Suomussalmi Suomussalmi () is a municipality in Finland and is located in the Kainuu region about northeast of Kajaani, the capital of Kainuu and south of Kuusamo. The municipality has a population of () and covers an area of of which is water. The popul ...

and

Hyrynsalmi Hyrynsalmi is a municipality in Finland and is part of the Kainuu region. The municipality has a population of () and covers an area of of which is water. The population density is . The municipality is unilingually Finnish Finnish may refe ...

in Kainuu ( fi, Hyrynsalmen reitti).

See also