Tunnsjøen

Tunnsjøen (Norwegian)
Dåtnejaevrie (Southern Sami)
Tunnsjøen as seen from the north-west shore. Gudfjelløya to the right.
Interactive map of the lake
LocationLierne Municipality and Røyrvik Municipality, Trøndelag
Coordinates64°42′18″N 13°12′42″E / 64.7050°N 13.2116°E / 64.7050; 13.2116
Typeglacier lake
Primary inflowsIngelsvasselva, Mykkelvikelva, Rørvasselva and Stallvikelva
Primary outflowsTunnsjøelva
Catchment area388.68 km2 (150.07 sq mi)
Basin countriesNorway
Max. length20 km (12 mi)
Max. width10 km (6.2 mi)
Surface area100.18 km2 (38.68 sq mi)
Average depth88 m (289 ft)
Max. depth222 m (728 ft)
Water volume8.816 km3 (2.115 cu mi)
Shore length1118 km (73 mi)
Surface elevation358 m (1,175 ft)
IslandsGudfjelløya and Litlfjelløya (or Reinøya)
ReferencesNVE
1 Shore length is not a well-defined measure.

Tunnsjøen (Norwegian) or Dåtnejaevrie (Southern Sami) is a lake in Røyrvik Municipality and Lierne Municipality in Trøndelag county, Norway. The 100.18-square-kilometre (38.68 sq mi) lake lies just south of the large lake Limingen, and just west of the border with Sweden. It is 358 m (1,175 ft) above sea level and has a volume of 8.816 km3 (2.115 cu mi). The deepest part of the lake is 222 m (728 ft) deep. It is the seventh largest lake in Norway.