Lake Ärr is a 6 km long, narrow lake. Ärr is a dark- but clear water lake in the eastern part of Dalsland, connected to lake ånimmen by a small sluice.
Ärran is a 6 km long, narrow lake with various depths. In the Northern- and middle part the lake is about 13 meters deep. The bottom is most rocks and a few sandy parts.In the middle part of the lake there are a few nice islands, around the islands the depth varies from 1-8 meter, but there are also a few dangerous shallow and rocky parts around ! In the south part the lake goes deeper, up to max. 32 meter. The lake has dark but clear water and the perch- and pike fishing can be difficult but good. There is good slipway with parking, at Froskog's guest harbour. Fishing licenses can be bought at several selling points.