Uldalsåna is a

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

on the border of the municipalities of

Birkenes Birkenes is a municipality in Agder county, Norway. It is located in the traditional district of Sørlandet. The administrative centre of the municipality is the village of Birkeland, where about half the municipal population lives. Other vil ...

and

Froland Froland is a List of municipalities of Norway, municipality in Agder counties of Norway, county, Norway. It is part of the Districts of Norway, traditional region of Southern Norway, Sørlandet. The administrative center is the village of Blakst ...

Agder Agder is a county (''fylke'') and traditional region in the southern part of Norway. The county was established on 1 January 2020, when the old Vest-Agder and Aust-Agder counties were merged. Since the early 1900s, the term Sørlandet ("south ...

county,

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of ...

. It is part of the

Tovdalselva Tovdalselva (also known as the ''Tofdalselva'', ''Tovdalsåna'', ''Tovdalsåni'', literally: the ''Tov valley river'') is long and is one of the longest rivers in Southern Norway. The river flows through Agder county from the mountains on the nor ...

river

drainage basin A drainage basin is an area of land where 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, ...

. On the southeastern end of the lake, there is a

hydroelectric Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined an ...

dam which releases water into the waterfall, Hanefoss, on its way down to the lake

Herefossfjorden Herefossfjorden is a lake in the municipality of Birkenes in Agder county, Norway. The lake is about long and it is part of the Tovdalselva river. The Gauslåfjorden and Uldalsåna lakes flow into Herefossfjorden near the village of Herefo ...

near the village of

Herefoss Herefoss is a village in Birkenes municipality in Agder county, Norway. The village is located on the northeastern end of the Herefossfjorden which is a large lake on the river Tovdalselva. The Norwegian National Road 41 runs through the village ...

. The lake is fed by the rivers Rettåna and Skjeggedalsåna. The lake

Nystølfjorden Nystølfjorden is a lake on the border of the municipalities of Birkenes and Froland in Agder county, Norway. It is part of the Tovdalselva river drainage basin. It flows into the Vågsdalsfjorden and eventually the Uldalsåna before emptying ...

flows into the river Skjeggedalsåna.

References

{{DEFAULTSORT:Uldalsaana Lakes of Agder Birkenes Froland Reservoirs in Norway

See also

References