Mandalselva or Mandalsåni or Marna (

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

Mandal A tehsil (, also known as tahsil, taluka, or taluk) is a local unit of administrative division in some countries of South Asia. It is a subdistrict of the area within a district including the designated populated place that serves as its administr ...

River, non, Mǫrn) is a river in

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 in

Norway Norway, officially the Kingdom of Norway, is a 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 Jan Mayen and t ...

. The river has its origins in the mountains between Ose in

Setesdal Setesdal (; older name: Sætersdal) is a valley and a traditional district in Agder County in southern Norway. It consists of the municipalities of Bykle, Valle, Bygland, Iveland, and Evje og Hornnes. The Otra river flows through the valley of ...

and the Upper

Sirdal Sirdal is a municipality in Agder county, Norway. It is located in the northwestern part of the traditional district of Lister. The administrative centre of the municipality is the village of Tonstad. Other villages in Sirdal include Bjørnesta ...

valley. The river flows south to its mouth at the

North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...

at the town of

. The river is long and flows through the municipalities

Åseral Åseral is a municipality in Agder county, Norway. It is in the traditional district of Sørlandet. The administrative centre of the municipality is the village of Kyrkjebygda. Other villages in Åseral include Eikerapen, Kylland, Ljosland, a ...

Lyngdal is a municipality in Agder county, Norway. It is located in the traditional district of Lister. The administrative centre of the municipality is the town of Alleen. Some of the main villages in Lyngdal include Austad, Byremo, Fleseland, Hæ� ...

, and

Lindesnes Lindesnes ( en, the Naze) is a municipality in Agder county, Norway. It is located in the traditional district of Sørlandet. The administrative centre of the municipality is the town of Mandal. Other villages in Lindesnes include Åvik, Høll ...

. The largest

tributaries A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage b ...

are Monn, Logna, Skjerka, Kosåna, Logåna, and Røyselandsbekken. Skjerka, Monn and Logna all flow into the lake

Øre Øre (plural ''øre'', , ) is the centesimal subdivision of the Danish and Norwegian krone. The Faroese division is called the ''oyra'', but is equal in value to the Danish coin. Before their discontinuation, the corresponding divisions of the ...

in Åseral which is considered the beginning of the main Mandalselva river. The river passes through the villages of Kylland,

Bjelland Bjelland is a village in Lindesnes municipality in Agder county, Norway. The village is located along the river Mandalselva, about southeast of the village of Byremo (in Lyngdal) and about west of the village of Hægeland (in Vennesla). The vil ...

Laudal Laudal is a village in Lindesnes municipality in Agder county, Norway. The village is located on the western shore of the Mandalselva river, about south of the village of Bjelland and about north of the village of Øyslebø. The village of Lau ...

Heddeland Heddeland is a village in Lindesnes municipality in Agder county, Norway. The village is located about northeast of the village of Øyslebø along the river Mandalselva. The Sørlandet Line The Sørlandet Line ( no, Sørlandsbanen) is a railwa ...

Øyslebø Øyslebø is a village in Lindesnes municipality in Agder county, Norway. The village is located in the Mandalen valley along the Mandalselva river, about north of the town of Mandal. The Sørlandet Line passes the village to the north, stoppin ...

, and

Krossen Krossen is a village in Lindesnes municipality in Agder county, Norway. The village is located in the Mandalen valley, on the western shore of the river Mandalselva, about north of the town of Mandal and about south of the village of Øysleb� ...

Hydropower development

Hydropower development of the river on a larger scale started in 1930. At present there are six power plants along the river and its upper tributaries: Logna, Smeland, Skjerka, Håverstad, Bjelland, and Laudal. The

drainage Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess of water. The internal drainage of most agricultural soils is good enough to prevent severe waterlogging (anaerobic conditio ...

basin covers an area of . The mean flow of water in the river is . During flooding periods in the spring and autumn, water flow can be far greater. The highest stream flow in recent times were measured in October 1987, when it passed about at Kjølemoen in

Holum Holum is a former municipality that was located in the old Vest-Agder county in Norway. The municipality existed from 1838 until its dissolution in 1964. The administrative centre was the village of Krossen where Holum Church is located. ...

Salmon and trout

The original

salmon Salmon () is the common name for several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the family (biology), family Salmonidae, which are native to tributary, tributaries of the ...

stocks are extinct as a result of

acid rain Acid rain is rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions (low pH). Most water, including drinking water, has a neutral pH that exists between 6.5 and 8.5, but acid ...

, but extensive liming has led to a better environment in the river, and a new salmon stocks are established. It was caught of salmon and sea trout in Mandalselva in 2015.

Media gallery

Mandalselva 01.jpg, Mandalselva at Buøy Mandalhavn.jpg, View of the Mandal harbor Marna river, Mandal as seen from the ridge.jpg, View of the river Marna Mandal bridge.jpg, Mandal bridge

References

External links

Mandalselva
in Norwegian
Salmon fishing in Mandalselva
{{authority control Rivers of Agder Åseral Lyngdal Lindesnes Rivers of Norway