Jōzankei Dam
The 91st tallest dam in the world
Jōzankei Dam (Jōzan-kei Damu) is a concrete Gravity dam in Sapporo, Hokkaidō, Japan situated upon the Otaru River. It supports a 120 MW hydroelectric power station.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).