Ueno Dam

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Ueno Dam
Location Ueno, Gunma, Japan
Construction began 1997
Opening date 2004
Dam and spillways
Impounds Kanna River
Height 120 m
Length 350 m
Total capacity 18,400,000 m³
Catchment area 31.2 km²
Surface area 56 hectares

Ueno Dam is a concrete gravity dam in the Gunma Prefecture of Japan. The dam serves as the lower reservoir of the Kannagawa Hydropower Plant.

Lake Okukanna

Coordinates: 36°03′06″N 138°42′18″E / 36.05173°N 138.705056°E / 36.05173; 138.705056