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Hiraoka Dam

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Location  Tenryū, Nagano, Japan
Type of dam  Concrete gravity dam
Length  258 m
Height  62 m
Impound  Tenryū River
Opening date  1951
Impounds  Tenryū River
Dam volume  252,000 m³
Construction began  1938
Hiraoka Dam httpsuploadwikimediaorgwikipediacommonsthu
Similar  Hiraoka Station, Yasuoka Dam, Iwakura Dam, Katagiri Dam, Himekawa Dam

hiraoka dam

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

During the Second World War prisoners of war held at Tokyo #2D (Mitsushima) Prisoner of War Camp provided labour to build the penstock tunnel to the powerstation, collect aggregate, and mix cement for the construction of the dam between November 1942 and August 1945. Fifty seven prisoners died from diseases relating to poor sanitary, diet, and climate conditions.


Hiraoka Dam Wikipedia

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