List of dams and reservoirs in Japan

Below is a list of dams and reservoirs in Japan. As a nation of islands and narrow, steep valleys, dams play a vital role in Japanese society as they are constructed primarily to control floods, supply water and generate hydroelectric power. The tallest dam in Japan is the 186 m (610 ft) high Kurobe Dam. The largest dam by structural volume in the country is the Tokuyama Dam with 13,700,000 m3 (17,900,000 cu yd) of rock-fill. Tokuyama also creates Japan's largest reservoir with a water volume of 660,000,000 m3 (540,000 acre·ft). Some of the dams are listed below by prefecture.

Dams by prefecture

Aichi Prefecture

Shintoyone Dam

Aomori Prefecture

Yomasari Dam

Fukui Prefecture

Itoshiro Dam

Fukuoka Prefecture

Jinya Dam

Fukushima Prefecture

Okutadami Dam

Gifu Prefecture

Tokuyama Dam

Gunma Prefecture

Ueno Dam

Hiroshima Prefecture

Asari Dam

Hokkaidō

Tokuyama Dam

Hyōgo Prefecture

Sengari Dam

Ibaraki Prefecture

Ishikawa Prefecture

Yoshinodani Dam

Iwate Prefecture

Isawa Dam

Kagawa Prefecture

Fuchu Dam

Kagoshima Prefecture

Tsuruda Dam

Kanagawa Prefecture

Miyagase Dam

Kōchi Prefecture

Nagase Dam

Kyoto Prefecture

Amagase Dam

Mie Prefecture

Hinachi Dam

Miyagi Prefecture

Naruko Dam

Miyazaki Prefecture

Tsukabaru Dam

Nagano Prefecture

Minamiaiki Dam
Nagawado Dam
Ōmachi Dam

Nara Prefecture

Asahi Dam

Niigata Prefecture

Agekawa Dam
Okumiomote Dam

Ōita Prefecture

Hakusui Dam

Okayama Prefecture

Takasegawa Dam

Okinawa Prefecture

Okukubi Dam

Osaka Prefecture

Teragaike Reservoir

Saga Prefecture

Hokuzan Dam

Saitama Prefecture

Shinsui Dam

Shiga Prefecture

Odsuchi Dam

Shimane Prefecture

Kijima Dam

Shizuoka Prefecture

Hatanagi No.2 Dam

Tochigi Prefecture

Kurobe Dam

Tokushima Prefecture

Kawaguchi Dam

Tokyo

Shiromaru Dam

Tottori Prefecture

Matanoagawa Dam

Toyama Prefecture

Komaki Dam

Yamagata Prefecture

Yokokawa Dam

Yamaguchi Prefecture

Simajigawa Dam

Yamanashi Prefecture

Fukashiro Dam

See also