Chubetsu Dam

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Chubetsu Dam
LocationBiei, Hokkaidō, Japan.
Construction began1977
Opening date2006
Dam and spillways
ImpoundsChubetsu River
Height86 m
Length885 m
Total capacity93,000,000 m³
Catchment area238.9 km²
Surface area372 hectares

The Chubetsu Dam (忠別ダム, Chūbetsu damu) is a dam in Biei, Hokkaidō, Japan. The dam was completed in 2006.[1] The dam is located at the border of Biei, Hokkaido and Kamikawa, Hokkaido. It is a multipurpose concrete Gravity dam and Rockfill dam. It stands at 86m tall and has a length of 885m.


Following World War II, modernization of Agriculture in Japan advanced rapidly and a steady source of water was required for the new farming techniques. Hokkaido's population quickly grew and a stable water supply was needed. For this reason, a survey of agricultural dams along the Chubetsu River was conducted[2] In 1977, the Chubetsu flood control, irrigation, water supply and Hydropower dam was planned. After prolonged, the project was started in 1986 was finally completed in 2007 after some 29 years had passed.


  1. ^
  2. ^ "忠別ダム【札幌開発建設部】治水100年". (in Japanese). Retrieved 2017-03-04.

Coordinates: 43°37′38″N 142°37′46″E / 43.62722°N 142.62944°E / 43.62722; 142.62944