Nanase Dam is a dam in the Ōita Prefecture, Japan, which was completed in 2020. It is mainly dedicated to flood control, with a retention capacity of 25.9 million cubic meters of water.[1][2] It was previously known as Oitagawa Dam but was renamed on completion.

Ōitagawa Dam
CountryJapan
LocationŌita Prefecture
Coordinates33°7′36″N 131°29′49″W / 33.12667°N 131.49694°W / 33.12667; -131.49694
PurposeFlood control
Construction began1978
Opening date2020
Dam and spillways
Height85.5 m
Length515 m
Dam volume4.16 million m3
Reservoir
Total capacity25.9 million m3
Catchment area38 km2
Surface area1.1 km2

References

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  1. ^ "Ohitagawa Dam [Oita Pref.] - Dams in Japan". damnet.or.jp. Retrieved 7 November 2018.
  2. ^ "Ōitagawa Dam (Oita, 2020)". Structurae. Retrieved 25 April 2020.

33°7′36″N 131°29′49″E / 33.12667°N 131.49694°E / 33.12667; 131.49694