Ueno Dam
| Ueno Dam | |
|---|---|
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| Location | Ueno, Gunma, Japan | 
| Coordinates | 36°03′06″N 138°42′18″E / 36.05173°N 138.705056°ECoordinates: 36°03′06″N 138°42′18″E / 36.05173°N 138.705056°E | 
| Construction began | 1997 | 
| Opening date | 2004 | 
| Dam and spillways | |
| Impounds | Kanna River | 
| Height | 120 m | 
| Length | 350 m | 
| Reservoir | |
| Total capacity | 18,400,000 m³ | 
| Catchment area | 31.2 km² | 
| Surface area | 56 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.

Lake Okukanna
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