Nisser

Nisser is a lake in Telemark county, Norway. It is located in Nissedal Municipality and Kviteseid Municipality. This is Telemark's largest lake and also the 10th-largest lake by area in Norway, with a surface area of 76.07 km (29.37 sq mi) (when artificial lakes are excluded). It's also the 8th largest lake by volume at 7.074 km (1.697 cu mi). It is also the 16th deepest lake at 234 m (768 ft). Nisser has the greatest average depth of the Norwegian lakes that is not a cryptodepression. Its entire lake basin is located above sea level. As part of the Arendalwatershed, water enters this lake from the discharge from the nearby lake , and its outlet is the river which later becomes part of the river Nidelva.

Fish species in the lake include the Brown trout, European whitefish, European perch, Stickleback, and Arctic char.