Yanba Dam

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Yanba Dam
Location Gunma Prefecture, Japan
Coordinates 36°33′25″N 138°42′51″E / 36.55694°N 138.71417°E / 36.55694; 138.71417Coordinates: 36°33′25″N 138°42′51″E / 36.55694°N 138.71417°E / 36.55694; 138.71417
Construction began 1967
Dam and spillways
Impounds Agatsuma River
Height 131 m
Length 336 m
Total capacity 107,500,000 m³
Catchment area 707.9 km²
Surface area 304 hectares

Yanba Dam (八ッ場ダム?, Yanba damu) is a dam project that is under construction in Naganohara, Agatsuma District, Gunma Prefecture, Japan. The project is currently under construction, with completion slated for 2019. Planning for the dam began in 1947, and it was planned to be completed by 2015. The dam's construction has seen sustained local opposition and a ballooning budget.