Raudanjoki

The catchment area of ​​Raudanjoki located north of Kemi between Kuusamo and Rovaniemi. It covers an area of 3585 km ².

The Raudanjoki flows mainly in the south. In its lower reaches it flows through several large lakes: Yli- Nampajärvi, Ala- Nampajärvi, Vikajärvi, Alaselkä. A few kilometers before its confluence with the Kemi, east of Rovaniemi, is the Permantokosken hydroelectric power station, which is operated by Kemi Oy. It was built in 1960-61, has an installed capacity of 13 MW and uses a gradient of 24 m from.