Koya Dam (Japanese: 古谷ダム) is a dam in the Nagano Prefecture, Japan, completed in 1982.[1]

Koya Dam
LocationNagano Prefecture, Japan

References edit

  1. ^ "Koya Dam [Nagano Pref.] - Dams in Japan".

36°07′26″N 138°35′37″E / 36.12389°N 138.59361°E / 36.12389; 138.59361