The Piedra del Águila Dam (in Spanish, Embalse Piedra del Águila) is the second of five dams on the Limay River in northwestern Argentine Patagonia (the Comahue region) and 590 metres (1,940 ft) above mean sea level, downstream from the confluence of the Limay and the Collón Curá River. It was inaugurated in 1993.

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Piedra del Águila Dam
Location of Piedra del Águila Dam in Argentina
Country	Argentina
Location	Patagonia
Coordinates	40°11′25″S 69°59′29″W
Status	Operational
Construction began	1988
Opening date	1992
Dam and spillways
Type of dam	Gravity, concrete
Impounds	Limay River
Height	180 m (590 ft)[1]
Length	800 m (2,600 ft)
Reservoir
Total capacity	12,600×10^6 m3 (10,200,000 acre⋅ft)
Surface area	292 km2 (113 sq mi)
Power Station
Turbines	4 x 350 MW (470,000 hp) Francis-type
Installed capacity	1,400 MW (1,900,000 hp)[2]

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The dam is used for the generation of hydroelectricity and the regulation of the flow of the river. Its reservoir has an area of 292 square kilometres (113 sq mi), a mean depth of 41.3 metres (135 ft) (maximum 120 metres (390 ft)), and a volume of 12,600 million cubic metres (10,200,000 acre⋅ft).