Miboro Dam

Miboro Dam (御母衣ダム, Miboro damu) is a dam on the Shō River in Shirakawa, in Gifu Prefecture Japan. It supports a 256 MW hydroelectric power station. Of the nine dams on the Shō River, it is the furthest upstream.[1][2]

Miboro Dam
Location	Shirakawa, Gifu Prefecture, Japan.
Purpose	Power
Status	Operational
Construction began	1957
Opening date	1961
Dam and spillways
Type of dam	Embankment, rock-fill
Impounds	Shō River
Height	131 m (430 ft)
Length	405 m (1,329 ft)
Elevation at crest	766 m (2,513 ft)
Width (crest)	12 m (39 ft)
Width (base)	560 m (1,840 ft)
Dam volume	7,950,000 m^3 (10,400,000 cu yd)
Spillways	3
Spillway type	1 x roller gate, 1 x drum gate, lower discharge tunnel
Reservoir
Total capacity	370,000,000 m^3 (300,000 acre⋅ft)
Active capacity	330,000,000 m^3 (270,000 acre⋅ft)
Catchment area	442.8 km^2 (171.0 sq mi)
Surface area	8.8 km^2 (3.4 sq mi)
Normal elevation	760 m (2,490 ft)
Power Station
Operator(s)	Kansai Electric Power Co., Inc.
Commission date	January/May 1961
Hydraulic head	192.1 m (630 ft)
Turbines	2 x 128 MW Francis-type
Installed capacity	256 MW

The dam flooded several villages and shrines, submerging them completely, two cherry trees were taken from one of the submerged shrines and placed in Shirakawa-go where it is said that each petal represents a memory from someone who lived in the villages before they were flooded.[3]

References

1. "Hydropower & Dams in South and East Asia" (PDF). Hydropower and Dams. p. 9. Archived from the original (PDF) on 2 September 2017. Retrieved 3 October 2010.
2. "Kansai Electric Power Miboro power plant" (in Japanese). Suiryoku. Retrieved 28 July 2013.
3. "Miboro Dam Japan Tourist Information". Retrieved 24 August 2014.