| Ohkuboyama Dam | |
| Location: | Ehime Prefecture, Japan |
| Dam Length: | 170m |
| Dam Height: | 55.8m |
| Construction Began: | 1973 |
| Opening: | 1979 |
| Res Capacity Total: | 750 thousand cubic meters |
| Res Catchment: | 5.5 sq. km |
| Res Surface: | 6 hectares |
| Coordinates: | 33.0103°N 132.6253°W |
| Location Map: | Japan |
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.[1]