Hitotsuse Dam
The 67th tallest dam in the world
Hitotsuse Dam (Hitotsuse damu) is a dam in Saito, Miyazaki Prefecture, Japan, completed in 1963. Many roads, schools, houses, and farmland were submerged in the construction.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).