| Shizunai Dam | |
| Location: | Hokkaido Prefecture, Japan |
| Dam Length: | 207.5m |
| Dam Height: | 66m |
| Construction Began: | 1959 |
| Opening: | 1966 |
| Res Capacity Total: | 29800 thousand cubic meters |
| Res Catchment: | 863.8 sq. km |
| Res Surface: | 140 hectares |
| Coordinates: | 42.4142°N 142.5669°W |
| Location Map: | Japan |
Shizunai Dam is a gravity dam located in Hokkaido Prefecture in Japan. The dam is used for power production. The catchment area of the dam is 863.8 km2. The dam impounds about 140 ha of land when full and can store 29800 thousand cubic meters of water. The construction of the dam was started on 1959 and completed in 1966.[1]