Tinnelva (also known as Tinne or Tinnåa) 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 ...

Notodden Municipality is a municipality in Telemark county, Norway. It is located in the traditional district of Aust-Telemark. The administrative centre of the municipality is the town of Notodden. Other population centres include the villages of Bolkesjø, Gra ...

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 long river flows between two lakes:

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 ...

and

Heddalsvatnet Heddalsvatnet () is a lake in Notodden Municipality and Midt-Telemark Municipality in Telemark county, Norway. The lake is located just south of the Notodden (town), town of Notodden. The village of Heddal (village), Heddal and the Heddalen val ...

. The river begins at the village of

Tinnoset Tinnoset is a village in Notodden Municipality in Telemark county, Norway. The village is located at the southernmost end of the large lake Tinnsjå, where the river Tinnelva begins flowing south out of the lake. It is about south of the villa ...

draining from the lake

. It flows to the south and east, past the village of

Gransherad Gransherad is a List of former municipalities of Norway, former municipality in Telemark county, Norway. The municipality existed from 1860 until its dissolution in 1964. The area is now part of Notodden Municipality (in Telemark) and Kongsberg ...

and the Gransherad Church, past the Lisleherad Church further downstream, and finally emptying into the lake

at the town of Notodden. There are several

waterfall A waterfall is any point in a river or stream where water flows over a vertical drop or a series of steep drops. Waterfalls also occur where meltwater drops over the edge of a tabular iceberg or ice shelf. Waterfalls can be formed in seve ...

s along the river: Årlifossene, Grønvollfoss, Svelgfoss and Tinnfoss. These waterfalls are exploited for

hydroelectric power Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...

generation since the river drops about over these four waterfalls. The

hydroelectric power station Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other renewable sources combined and also mo ...

s along the river have a combined installed capacity of .

References

Notodden Rivers of Telemark {{Norway-river-stub

See also

References