Sakamoto Dam

Sakamoto Dam is a dam in the Gunma Prefecture of Japan. It forms Lake Usui.

Lake Usui
Sakamoto Dam
LocationGunma Prefecture, Japan.
Coordinates36°21′12″N 138°42′27.3″E
Construction began1985
Opening date1994 (1994)
Dam and spillways
Height36.3 m (119 ft)
Length85 m (279 ft)
Reservoir
CreatesLake Usui
Total capacity778,000 m3 (27,500,000 cu ft)
Catchment area13.7 km2 (5.3 sq mi)
Surface area7 hectares (17 acres)


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