The Chimehuin River is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

in the northwest of the Patagonic

Province A province is almost always an administrative division within a country or sovereign state, state. The term derives from the ancient Roman ''Roman province, provincia'', which was the major territorial and administrative unit of the Roman Empire ...

Neuquén Neuquén (; arn, Nehuenken) is the capital city of the Argentine province of Neuquén and of the Confluencia Department, located in the east of the province. It occupies a strip of land west of the confluence of the Limay and Neuquén rivers w ...

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

. Its origin is at Lake Huechulafquen and it passes by the city of

Junín de los Andes Junín de los Andes is a first category municipality and administrative center of the Huiliches Department in the province of Neuquén, Argentina. It is located in the south of the province, by the Chimehuin River, on National Route 234, about n ...

. After a course of about 53 km, it merges with the

Aluminé River The Aluminé River is a geographical feature of Neuquén Province, Argentina. It flows southward from Lake Aluminé, near the town of Aluminé, for around 170 km (105 mi), past which it becomes a tributary of the Collón Curá River ( ...

to form the

Collón Curá River The Collón Curá River is a geographical feature of Neuquén Province, Argentina. It flows southward from the confluence of the Aluminé and Chimehuin Rivers, near the town of Junín de los Andes, for around , past which it becomes a tributary o ...

. The Chimehuin is considered a prime spot for

fly fishing Fly fishing is an angling method that uses a light-weight lure—called an artificial fly—to catch fish. The fly is cast using a fly rod, reel, and specialized weighted line. The light weight requires casting techniques significantly diffe ...

. It is known for its two

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...

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 Pacific species), trout (both ocean-going and landlocked), chars, freshwater whitefis ...

, the

brown trout The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' morph ...

and the

rainbow trout The rainbow trout (''Oncorhynchus mykiss'') is a species of trout native to cold-water tributaries of the Pacific Ocean in Asia and North America. The steelhead (sometimes called "steelhead trout") is an anadromous (sea-run) form of the coasta ...

. The area around first part of the river's course (from the lake up to a few kilometers before Junín de los Andes) is a

protected Protection is any measure taken to guard a thing against damage caused by outside forces. Protection can be provided to physical objects, including organisms, to systems, and to intangible things like civil and political rights. Although th ...

nature reserve A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, or features of geological or ...

(''Área Natural Protegida Boca del Chimehuin'').

INTA Inta (russian: Инта́, kv, Инта) is a town in the Komi Republic, Russia. Population: History Inta was founded circa 1940 as a settlement to support a geological expedition to explore coal deposits and projecting of mines. The city's n ...

Área Natural Protegida Boca del Chimehuin
.

References

Rivers of Neuquén Province Rivers of Argentina {{Argentina-river-stub