Sasamagawa Dam
The 740th tallest dam in the world
The Sasamagawa Dam (Sasamagawa damu) is a dam on the Sasama River, a tributary of the Ōi River, located on the border of the city of Shimada and the town of Kawanehon, Shizuoka Prefecture on the island of Honshū, Japan.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).