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Tunnsjøen  (Norwegian)
Dåtnejaevrie  (Southern Sami)
Tunnsjøen with trees.jpg
Tunnsjøen as seen from the north-west shore. Gudfjelløya to the right.
Tunnsjøen is located in Trøndelag
Location of the lake
Tunnsjøen is located in Norway
Tunnsjøen (Norway)
LocationLierne and Røyrvik, Trøndelag
Coordinates64°42′18″N 13°12′42″E / 64.7050°N 13.2116°E / 64.7050; 13.2116Coordinates: 64°42′18″N 13°12′42″E / 64.7050°N 13.2116°E / 64.7050; 13.2116
Basin countriesNorway
Max. length20 kilometres (12 mi)
Max. width10 kilometres (6.2 mi)
Surface area100.18 km2 (38.68 sq mi)
Max. depth220 metres (720 ft)
Water volume8.68 cubic kilometres (2.08 cu mi)
Shore length1118 kilometres (73 mi)
Surface elevation358 metres (1,175 ft)
1 Shore length is not a well-defined measure.

Tunnsjøen (Norwegian) or Dåtnejaevrie (Southern Sami) is a lake in the municipalities of Røyrvik and Lierne 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 metres (1,175 ft) above sea level and has a volume of 8.68 cubic kilometres (2.08 cu mi). The deepest part of the lake is 220 metres (720 ft) deep. It is the seventh largest lake in Norway.[1]


The island Gudfjelløya (Southern Sami: Tjåehkere) lies in Tunnsjøen lake. It has a high point of 812 metres (2,664 ft) above sea level, which is 454 metres (1,490 ft) higher than the lake. This makes Gudfjelløya the highest island on a lake in Norway.


  1. ^ Store norske leksikon. "Tunnsjøen" (in Norwegian). Retrieved 2011-09-07.