| Dashidaira Dam | |
| Location: | Toyama Prefecture, Japan |
| Dam Length: | 136m |
| Dam Height: | 76.7m |
| Construction Began: | 1980 |
| Opening: | 1985 |
| Res Capacity Total: | 9010 thousand cubic meters |
| Res Catchment: | 461.2 sq. km |
| Res Surface: | 35 hectares |
| Coordinates: | 36.7703°N 137.6311°W |
| Location Map: | Japan |
Dashidaira Dam is a gravity dam located in Toyama prefecture in Japan. The dam is used for power production. The catchment area of the dam is 461.2 km2. The dam impounds about 35 ha of land when full and can store 9010 thousand cubic meters of water. The construction of the dam was started on 1980 and completed in 1985.[1]