Osensjøen

The Osensjøen (also Ossjøen ) is a lake in the municipalities Åmot and Trysil in Hedmark Fylke in Norway. The lake has its outlet on the Osa Søre to Renaelva and Glomma.

At the northern end of the Osensjøen the place Nordre Osen is located in the municipality Åmot. On the western shore of the lake, the Sørlistøa is fløtermuseum ( rafting Museum). At the south end of the lake, the bay Søre Osen, which belongs to the Municipality of Trysil is located. The majority of the lakes area is located in the Trysil Municipality. On the east side of the Osensjøen there are some of the oldest farms in the area, testifying to the immigration of the Forest Finns in the middle of the 17th century.

The lake is regulated and is used as a reservoir of the Osa - power plant (90 MW).