Florentino Ameghino Dam
Florentino Ameghino Dam is located in Argentina
Florentino Ameghino Dam
Location of Florentino Ameghino Dam in Argentina
Official nameDique Florentino Ameghino
CountryArgentina
LocationChubut Province
Coordinates43°26′43.57″S 65°56′33.28″W / 43.4454361°S 65.9425778°W / -43.4454361; -65.9425778
StatusOperational
Construction began1943
Opening date1963
Dam and spillways
ImpoundsChubut River
Height113 m (371 ft)
Length225 m (738 ft)
Reservoir
CreatesFlorentino Ameghino Reservoir
Total capacity65,000,000 m3 (53,000 acre⋅ft)
Power Station
Turbines2 x 23,4 MW
Installed capacity46.8 MW (62,800 hp)

The Florentino Ameghino Dam (Dique Florentino Ameghino) is a gravity dam in Chubut Province, Patagonia, Argentina, 140 kilometres (87 mi) west of the city of Trelew. The dam also protects the towns in the lower Chubut River valley from flooding.

The Florentino Ameghino is located on the Chubut River, which originates from snowmelt in the Andes. Work began on the dam in 1943, led by the engineer Antonio Pronsato; the dam was inaugurated in 1963. The dam has two Francis turbines of 23.4 megawatts (31,400 hp) each. The dam is currently operated by Hidroeléctrica Ameghino.

Adjacent to the dam is a town with approximately 200 residents called Villa Dique Florentino Ameghino. The dam takes its name from Florentino Ameghino, an Argentine naturalist, paleontologist, anthropologist and zoologist.

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