Hiraoka Dam (平岡ダム, Hiraoka damu) is a dam in Tenryū, Nagano Prefecture, Japan, completed in 1951.[1] It is located on the Tenryū River upstream from the Sakuma Dam.
Hiraoka Dam (平岡ダム, Hiraoka damu) is a dam in Tenryū, Nagano Prefecture, Japan, completed in 1951.[1] It is located on the Tenryū River upstream from the Sakuma Dam.
Dams 
