Honna Dam
The 636th tallest dam in the world
Honna Dam (Honna damu) is a gravity dam on the Tadami River in Kaneyama, Fukushima Prefecture, Japan. It was constructed between 1952 and 1954 for the purpose of hydroelectric power generation. It supplies a 78 MW power station with water.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).