Orderer Kochi Prefecture
Completion 2000
Structure and scale Gravity concrete dam, dam height 60.3m; crest length: 193m; dam voltage: 174,400m³; reservoir water volume :18,150,000m³
Location Kochi Prefecture
Application Multi-purpose dam

A gas cooling method for the pre-cooling of the concrete mixing water and aggregate was used for the first time in Japan for Sakamoto Dam to keep the concrete placing temperature under 25℃.