Mosjøen (Norwegian; pronounced [ˈmùːʂøːn] ⓘ) or Mussere (Southern Sami) is a town[1] in Vefsn Municipality in Nordland county, Norway.

Owned by Alcoa, Mosjøen Aluminum Plant is among the biggest in Europe, and is traditionally the town's cornerstone.

Additionally, the town's business sector includes trade, crafts, banking, transportation, and tourism.

Offering general (including music), vocational, and agricultural lines, Mosjøen High School also receives students from rural municipalities surrounding the town and from other regions of Nordland.

Many bigger events for children and youth take place in Mosjøen, among others Toppen International Summer Music School and The Kippermoen Cup.

Other tourist attractions include Dolstad Church from 1735, the award-winning Town Park from 1905, and the aluminum plant.

[9] Mentioned in Aslak Bolt's cadastre of the 15th century, Mo is a medieval farm with a history at least dating to the Viking Age.

In the 1860s, a group of Englishmen—the 'salmon lords'—established The North of Europe Land & Mining Company, introducing the first industrial period in Mosjøen.

Sawmill industry created 'Klondike conditions': People came from everywhere in order to get a job, to trade, and so on, and salaries were relatively high.

On 4 April 1874, King Oscar II decided to grant ladested (town) status to Mosjøen effective on 1 January 1875.

[11][7][8] The Cinema Museum in London holds excellent film of the area in 1931 in its collection (ref HMO321) [12] As the biggest and most important, central town in the Helgeland region, Mosjøen became northern headquarters of the Nazi German occupiers between 1940 and 1945.

The cock is traditionally equipped with red beak, wattles, comb, and claws: the so-called colour of armament.

Mosjøen's business sector contains both traditional and modern companies as well as a wide spectre of branches, including trade, crafts, banking, transportation, and tourism.

Mosjøen Station on the Nordland Line has daily departures for Trondheim in the south and for the Bodø in the north.

Encompassing both private and public quays, Mosjøen's harbour is the biggest port in Northern Norway.

The following are popular sightseeing spots: Mosjøen is situated in the lower part of the Vefsn Valley, where the Vefsna and Skjerva rivers flow into the Vefsnfjord.

Mosjøen is located about 100 kilometres (62 mi) south of the Arctic Circle, and the town has an untypical wet and mild boreal climate (Köppen: Dfc), with winter as the wettest season.

Situated at the head of a relatively narrow fjord, Mosjøen is not as mild in winter as places on the outer seaboard, but has slightly warmer summers.

Mosjøen experiences midnight sun from June 16 to 26th due to atmospheric refraction, but has no polar night.