Sagurigawa Dam
The 87th tallest dam in the world
Sagurigawa Dam is a rockfill dam in the Niigata Prefecture, Japan, completed in 1993. It was built in the tributary of the Shinanogawa river, a group of mountains. Its purpose is using the water from the river and to protect from floods.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).