Oshirakawa Dam

Oshirakawa Dam

Overhead of the dam and reservoir in 1977
Location of Oshirakawa Dam
Country Japan
Location Shirakawa, Gifu Prefecture
Coordinates 36°08′26.73″N 136°49′19.24″E / 36.1407583°N 136.8220111°ECoordinates: 36°08′26.73″N 136°49′19.24″E / 36.1407583°N 136.8220111°E
Purpose Power
Status Operational
Construction began 1961
Opening date 1963
Dam and spillways
Type of dam Embankment, rock-fill
Impounds Oshirakawa River
Height 95 m (312 ft)
Length 390 m (1,280 ft)
Elevation at crest 1,235 m (4,052 ft)
Dam volume 1,700,000 m3 (2,200,000 cu yd)
Spillway type Crest overflow, 1 tainter gate
Reservoir
Total capacity 14,200,000 m3 (11,500 acre·ft)
Active capacity 11,000,000 m3 (8,900 acre·ft)
Catchment area 44.7 km2 (17.3 sq mi)
Surface area .665 km2 (0.257 sq mi)
Normal elevation 1,230 m (4,040 ft)
Power station
Commission date 19 December 1963
Hydraulic head 476.9 m (1,565 ft)
Turbines 1 x 66.3 MW Francis-type
Installed capacity 66.3 MW


The Oshirakawa Dam is a rock-fill dam on the Oshirakawa River (a tributary of the Shō River) about 16 km (9.9 mi) southwest of Shirakawa in Gifu Prefecture, Japan. It was constructed between 1961 and 1963. The dam has an associated 66.3 MW hydroelectric power station located about 7.1 km (4.4 mi) downstream which was commissioned in 1963.[1]

See also

References

  1. "Kansai Electric Power Miboro 2 power plant" (in Japanese). Suiryoku. Retrieved 28 July 2013.
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