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

Old Norse Old Norse, also referred to as Old Nordic or Old Scandinavian, was a stage of development of North Germanic languages, North Germanic dialects before their final divergence into separate Nordic languages. Old Norse was spoken by inhabitants ...

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

Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...

. It originates near

Trondheim Trondheim ( , , ; ), historically Kaupangen, Nidaros, and Trondhjem (), is a city and municipality in Trøndelag county, Norway. As of 2022, it had a population of 212,660. Trondheim is the third most populous municipality in Norway, and is ...

and the Norwegian border. The river runs through the Swedish counties of

Jämtland Jämtland () is a historical provinces of Sweden, province () in the centre of Sweden in northern Europe. It borders Härjedalen and Medelpad to the south, Ångermanland to the east, Lapland, Sweden, Lapland to the north and Trøndelag and Norw ...

and Västernorrland. Several

hydropower Hydropower (from Ancient Greek -, "water"), also known as water power or water energy, is the use of falling or fast-running water to Electricity generation, produce electricity or to power machines. This is achieved by energy transformation, ...

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. Examples include the common cold, gastroenteritis, COVID-19, t ...

of the viral family which includes

polio Poliomyelitis ( ), commonly shortened to polio, is an infectious disease caused by the poliovirus. Approximately 75% of cases are asymptomatic; mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe ...

and

hepatitis A Hepatitis A is an infectious liver disease caused by Hepatitis A virus (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 them, is ...

was isolated from a

bank vole The bank vole (''Clethrionomys 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 Eu ...

near the Ljungan river in the mid-1990s, and named Ljungan virus. Some towns near or by the river are: * Matfors * Njurunda *

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 ...

References

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