The Måna or Måne is a

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

Tinn Municipality Tinn is a municipality in Telemark county, Norway. It is located in the traditional districts of Aust-Telemark and Upper Telemark. The administrative centre of the municipality is the town of Rjukan. Some of the villages in Tinn include Atr� ...

Telemark Telemark () is a Counties of Norway, county and a current electoral district in Norway. Telemark borders the counties of Vestfold, Buskerud, Vestland, Rogaland and Agder. In 2020, Telemark merged with the county of Vestfold to form the county o ...

county,

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

. The river flows from the lake

Møsvatn Møsvatn or Møsvann is a lake in Vinje Municipality in Telemark county, Norway. It is the tenth-largest lake in Norway with a surface area of and a volume of . The lake lies just east of the Hardangervidda National Park, in Skien watershed ...

through the Vestfjorddalen valley and the town of

Rjukan Rjukan () is a List of towns and cities in Norway, town in Tinn Municipality in Telemark county, Norway. The town is also the administrative centre of Tinn Municipality. The town is located in the Vestfjorddalen valley, between the lakes Møsvatn ...

to the large lake

Tinnsjå Tinnsjå (also known as ''Tinnsjø'' or ''Tinnsjøen''; ) is one of the largest List of Norwegian Lakes, lakes in Norway measuring about . At a depth of it is the third List of lakes by depth, deepest lake in Norway and Europe. Tinnsjå is locat ...

near the village of

Miland Miland is a village in Tinn Municipality in Telemark county, Norway. The village is located in the Vestfjorddalen valley, near the western shore of the large lake Tinnsjå, about east of the town of Rjukan, about south of the village of Atrå ...

. It is part of the

Skiensvassdraget The Skien watershed is the third largest watershed of Norway after those of the Glomma and the Drammen rivers. The catchment area is , and the maximum length is . The Skien watershed includes rivers which feed Lake Norsjø above Skien; * Vinj ...

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

. The entire river has a total drop in elevation of from Møsvatn to Tinnsjå, notably including the

Rjukan Falls or is a waterfall in the western part of the Vestfjorddalen valley in Tinn Municipality in Telemark county, Norway. The tall waterfall is located on the river Måna, about to the west of the town of Rjukan. Historically, the waterfall was a ...

, a large waterfall that has also been a major tourist attraction. This area has been developed in five power stations with a total installation of and a total average annual production of . The largest power stations are

Vemork Vemork is a hydroelectric power plant outside the town of Rjukan in Tinn Municipality in Telemark county, Norway. The plant was built by Norsk Hydro and opened in 1911, its main purpose being to fix nitrogen for the production of fertilizer. ...

and Såheim.

References

Tinn Rivers of Telemark {{Norway-river-stub

See also

References