Hornavan 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 ...

in northern

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 country located on ...

. Located in

Arjeplog Municipality Arjeplog Municipality (Swedish: ''Arjeplogs kommun'', sme, Arjepluovvi gielda; sje, Árjepluove komuvdna) is a municipality in Norrbotten County in northern Sweden. Its seat is located in Arjeplog. The area, which now is Arjeplog Municipality, ...

in the province of

Swedish Lapland Lapland, also known by its Swedish name Lappland (, fi, Lappi, la, Lapponia), is a province in northernmost Sweden. It borders Jämtland, Ångermanland, Västerbotten, Norrbotten, Norway and Finland. Nearly a quarter of Sweden's land area ...

, administratively known as

Norrbotten County Norrbotten County ( sv, Norrbottens län; se, Norrbottena leatna, fi, Norrbottenin lääni) is the northernmost county or '' län'' of Sweden. It is also the largest county by land area, almost a quarter of Sweden's total area. It shares border ...

, it is the deepest lake in Sweden at . Being a high mountain lake downstream from the source of the

Skellefte River The Skellefte River ( sv, Skellefteälven or ; sje, Seldutiedno; sju, Syöldateiednuo) is a river in northern Sweden; one of the major Norrland rivers. Geographically, it starts in the Norrbotten County, also known as the Swedish Lappland pro ...

, the deepest point of the lake basin is still located above sea level. Due to the cold

subarctic climate The subarctic climate (also called subpolar climate, or boreal climate) is a climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of an ocean, ge ...

of the area, it always freezes over for several months of the year in spite of its depth.

Geography

It is situated in the

Scandinavian mountain range The Scandinavian Mountains or the Scandes is a mountain range that runs through the Scandinavian Peninsula. The western sides of the mountains drop precipitously into the North Sea and Norwegian Sea, forming the fjords of Norway, whereas to the ...

, at a height of . The town of

Arjeplog Arjeplog (; Pite Sami: ) is a locality and the seat of Arjeplog Municipality in Norrbotten County, province of Lapland, Sweden with 1,977 inhabitants in 2010. It is a popular winter test site for the Asian and European car industries and feature ...

is located on its south-western shore. The lake then extends northwest up to the town of Jäckvik, containing about 400 islets, many of which have distinguishable flora and fauna. Research on the ecosystems comparing the larger islands with smaller islets in Hornavan and Uddjaur are popular due to their unpolluted environment, and have yielded . In June 2005 an international study was published in

Nature Nature, in the broadest sense, is the physics, physical world or universe. "Nature" can refer to the phenomenon, phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. ...

entitled ''Effects of species and functional group loss on island ecosystem properties''. On its southern end, the lake attaches with the lake

Uddjaure Uddjaure is a lake in Norrbotten County, Lappland, Sweden, adjacent to Lake Hornavan Hornavan is a lake in northern Sweden. Located in Arjeplog Municipality in the province of Swedish Lapland, administratively known as Norrbotten County, it i ...

. The surface area fluctuates between , but some sources give it as constant ; in any case, it is the eighth largest lake in Sweden. With a largest depth of it is also the deepest. The lake has been cultivated for

water power 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 a ...

. Hornavan, like all lakes in Arjeplog Municipality, has drinkable water.

Fishing

Hornavan has 5 native species of whitefish: '' Coregonus pallasii,

Coregonus megalops ''Coregonus megalops'' is a putative species of whitefish, part of the '' Coregonus lavaretus'' complex (European whitefish). Its distribution is in Sweden, Finland and Russia. In Sweden, the name ''C. megalops'' has referred to a form of whit ...

Coregonus maxillaris ''Coregonus maxillaris'' is a species of fish belonging to the family Salmonidae Salmonidae is a family of ray-finned fish that constitutes the only currently extant family in the order Salmoniformes . It includes salmon (both Atlantic and Pa ...

Coregonus nelssonii ''Coregonus'' is a diverse genus of fish in the salmon family (Salmonidae). The ''Coregonus'' species are known as whitefishes. The genus contains at least 68 described extant taxa, but the true number of species is a matter of debate. The typ ...

'' and ''

Coregonus widegreni ''Coregonus widegreni'', also called the Valaam whitefish, is a putative species of freshwater whitefish, a part of the common whitefish complex (''Coregonus lavaretus'' sensu lato) from Northern Europe. It is a demersal form of freshwater whit ...

'' (the latter known under the name Valaam), with a sixth, ''

Coregonus maraena ''Coregonus maraena'', referred to in English as the maraene, maraena whitefish or the whitefish, is a whitefish of the family Salmonidae that occurs in the Baltic Sea basin - in the sea itself and the inflowing rivers, and in several lakes as ...

'', introduced in the 1940s.

Trolling In slang, a troll is a person who posts or makes inflammatory, insincere, digressive, extraneous, or off-topic messages online (such as in social media, a newsgroup, a forum, a chat room, a online video game), or in real life, with the i ...

for

trout Trout are species of freshwater fish belonging to the genera '' Oncorhynchus'', ''Salmo'' and ''Salvelinus'', all of the subfamily Salmoninae of the family Salmonidae. The word ''trout'' is also used as part of the name of some non-salmoni ...

in the lake is also popular.

Sources

*
Allmänt om Arjeplog
Arjeplog Official Site

References

{{Large lakes of Sweden Skellefte River basin Lakes of Norrbotten County