Iwamatsu Dam

Iwamatsu Dam
LocationHokkaidō, Japan.
Coordinates43°11′49″N 142°56′11″E / 43.19694°N 142.93639°E / 43.19694; 142.93639
Construction began1939
Opening date1941
Dam and spillways
ImpoundsTokachi River
Height37.2 m
Length190.5 m
Reservoir
Total capacity9,026,000 m3
Catchment area788 km2
Surface area102 hectares

The Iwamatsu Dam (岩松ダム) is a dam situated in Hokkaidō, Japan. Work began on the dam's construction in 1939. The construction was completed in 1941.