Okuboyama Dam
The 559th tallest dam in the world
Ohkuboyama Dam is an earthfill dam located in Ehime Prefecture in Japan. The dam is used for irrigation and water supply. The catchment area of the dam is 5.5 km2. The dam impounds about 6 ha of land when full and can store 750 thousand cubic meters of water. The construction of the dam was started on 1973 and completed in 1979.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).