Ljungan ( Jamtlandic: ''Jångna'' or ''Aoa'', from

Old Norse Old Norse, Old Nordic, or Old Scandinavian, is a stage of development of North Germanic dialects before their final divergence into separate Nordic languages. Old Norse was spoken by inhabitants of Scandinavia and their overseas settlement ...

''*Oghn'' "the dreadful") is a 322 kilometer long river in

Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic countries, Nordic c ...

. It originates near

Trondheim Trondheim ( , , ; sma, Tråante), historically Kaupangen, Nidaros and Trondhjem (), is a city and municipality in Trøndelag county, Norway. As of 2020, it had a population of 205,332, was the third most populous municipality in Norway, an ...

and the

Norwegian Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe * Norwegians, both a nation and an ethnic group native to Norway * Demographics of Norway *The Norwegian language, including ...

border. The river runs through the Swedish counties of

Jämtland Jämtland (; no, Jemtland or , ; Jamtish: ''Jamtlann''; la, Iemptia) is a historical province () in the centre of Sweden in northern Europe. It borders Härjedalen and Medelpad to the south, Ångermanland to the east, Lapland to the nort ...

and Västernorrland. Several

hydropower Hydropower (from el, ὕδωρ, "water"), also known as water power, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of ...

plants are located along the river. A

pathogenic virus A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. Structural Characteristics Basic structural characteristics, ...

of the viral family which includes

polio Poliomyelitis, commonly shortened to polio, is an infectious disease caused by the poliovirus. Approximately 70% of cases are asymptomatic; mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe sy ...

and

hepatitis A Hepatitis A is an infectious disease of the liver caused by ''Hepatovirus A'' (HAV); it is a type of viral hepatitis. Many cases have few or no symptoms, especially in the young. The time between infection and symptoms, in those who develop the ...

was isolated from a

bank vole The bank vole (''Myodes glareolus'') is a small vole with red-brown fur and some grey patches, with a tail about half as long as its body. A rodent, it lives in woodland areas and is around in length. The bank vole is found in much of Europe an ...

near the Ljungan river in the mid-1990s, and named

Ljungan virus ''Parechovirus B'', formerly called the ''Ljungan virus'', was first discovered in the mid-1990s after being isolated from a bank vole near the Ljungan river in Medelpad county, Sweden. It has since been established that ''Parechovirus B'', which ...

. Some towns near or by the river are: *

Matfors Matfors is a locality situated in Sundsvall Municipality, Västernorrland County, Sweden with 3,201 inhabitants in 2010. The river Ljungan runs through Matfors. It is situated about 15 kilometers west of Sundsvall, a city with about 45,000 inhabi ...

Njurunda Njurunda () is a small village in Sundsvall Municipality, located in Västernorrland County, Sweden. The village is situated at the mouth of the Ljungan river and located about 17 kilometers south of Sundsvall. It is primarily a sleeper town for ...

Ånge Ånge is a locality and the seat of Ånge Municipality in Västernorrland County, Sweden with 2,872 inhabitants in 2010. Ånge is a railway junction where the northern main line railway (''Norra Stambanan'') connects with the central main line ra ...

References

Rivers of Jämtland County Rivers of Västernorrland County Drainage basins of the Baltic Sea {{Sweden-river-stub