Limay River
Aerial view of the Limay River looking southeast
Location
CountryArgentina
Physical characteristics
Source 
 • locationNahuel Huapi Lake
 • elevation770 m (2,530 ft) AMSL
Mouth 
 • location
into Río Negro
 • coordinates
38°59′35″S 68°00′18″W / 38.993°S 68.005°W / -38.993; -68.005
Length380 km (240 mi)
Basin size61,723 km2 (23,831 sq mi)
Discharge 
 • average700 m3/s (25,000 cu ft/s)
Map of the Río Negro drainage basin, including the Limay

The Limay River is an important river in the northwestern Argentine Patagonia (the region of Comahue). It originates at the eastern end of the Nahuel Huapi Lake and flows in a meandering path for about 380 kilometres (240 mi), collecting the waters of several tributaries, such as the Traful River, the Pichileufú and the Collón Curá. It then meets the Neuquén River and together they become the Río Negro. At this confluence lies the city of Neuquén.

The river serves as natural border between the provinces of Río Negro and Neuquén. Its deep waters are clear, and carry a large flow, 700 cubic metres per second (25,000 cu ft/s) on average. Its drainage basin has an area of 61,723 square kilometres (23,831 sq mi) and includes almost all the rivers and streams of the Atlantic basin in the region, as well as an extensive network of lakes.

The waters of the Limay are used to generate hydroelectricity at the five dams built on its course: Alicurá, Piedra del Águila, Pichi Picún Leufú, El Chocón, and Arroyito; together with the Cerros Colorados Complex on the Neuquén River they constitute more than one quarter of Argentina's total hydroelectric power generation. The construction of the successive dams and reservoirs has reduced the length of the river, which originally measured about 450 kilometres (280 mi). In the 1980s the only heavy water plant in South America was constructed next to the river at the town of Arroyito.

The river is also used for fly fishing; in some locations its banks are suitable as beach resorts, with facilities for camping.

Various islands in the floodplains of the lower course of the river have been urbanized.[1]

The origin of the word comes from the Mapuche indians and it means, crystalline, that you could see to the bottom.

References

  1. ↑ Groch, Damián; Cogliati, Marisa Gloria (2022). "Medidas de mitigación contra inundaciones en la isla urbanizada "La Herradura", Neuquén, Argentina" [Mitigation measures against floods in "La Herradura" urbanized island, Neuquén, Argentina]. Norte Grande Geography Journal (in Spanish). 83. doi:10.4067/S0718-34022022000300221.
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