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Shimagawa Dam
LocationGunma Prefecture, Japan.
Coordinates36°41′47″N 138°46′53″E / 36.69639°N 138.78139°E / 36.69639; 138.78139Coordinates: 36°41′47″N 138°46′53″E / 36.69639°N 138.78139°E / 36.69639; 138.78139
Construction began1980
Opening date1999
Dam and spillways
ImpoundsShima River
Height89.5 m
Length330 m
Total capacity9,200,000 m³
Catchment area28.4 km²

Shimagawa Dam is a dam in the Gunma Prefecture of Japan.