Saigou Dam is a gravity dam located in Miyazaki Prefecture in Japan. The dam is used for power production. The catchment area of the dam is 647.8 km2. The dam impounds about 40 ha of land when full and can store 2452 thousand cubic meters of water. The construction of the dam was started on 2011 and completed in 2018. See also List of dams in Japan References Dams in Miyazaki Prefecture