Yamadagawa Dam is a dam in the Hiroshima Prefecture of Japan.

Yamadagawa Dam
LocationHiroshima Prefecture, Japan.
Coordinates34°38′25″N 133°04′12″E / 34.64028°N 133.07000°E / 34.64028; 133.07000
Construction began1990
Opening date2005
Dam and spillways
ImpoundsYamadagawa River
Height32.1 m
Length204.8 m
Reservoir
Total capacity7,000,000 m3
Catchment area5.6 km2
Surface area8 hectares