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Ueno Dam

Coordinates: 36°03′06″N 138°42′18″E / 36.05173°N 138.705056°E / 36.05173; 138.705056
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Ueno Dam
LocationUeno, Gunma, Japan
Coordinates36°03′06″N 138°42′18″E / 36.05173°N 138.705056°E / 36.05173; 138.705056
Construction began1997
Opening date2004
Dam and spillways
Type of damGravity
ImpoundsKanna River
Height120 m (390 ft)
Length350 m (1,150 ft)
Reservoir
Total capacity18,400,000 m3 (650,000,000 cu ft)
Catchment area31.2 km2 (12.0 sq mi)
Surface area56 hectares

Ueno Dam (上野ダム) is a concrete gravity dam in the Gunma Prefecture of Japan. The dam serves as the lower reservoir of the Kannagawa Hydropower Plant. Because of the dam's remote location deep in the hillside, no houses were submerged.

Lake Okukanna