Miyashita Dam
The 605th tallest dam in the world
Miyashita Dam is a gravity dam on the Tadami River 2 km (1 mi) upstream of Mishima in the Fukushima Prefecture of Japan. It was constructed between 1941 and 1946 for the purpose of hydroelectric power generation. It supplies a 94 MW power station with water.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).