Ueno Dam

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Dam in Gunma, Japan

36°03′06″N 138°42′18″E / 36.05173°N 138.705056°E / 36.05173; 138.705056Construction began1997Opening date2004Dam and spillwaysImpoundsKanna RiverHeight120 mLength350 mReservoirTotal capacity18,400,000 m³Catchment area31.2 km²Surface 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.