| Ohkawase Dam | |
| Name Official: | 大川瀬ダム |
| Location: | Hyogo Prefecture, Japan |
| Dam Length: | 164m |
| Dam Height: | 50.8m |
| Construction Began: | 1968 |
| Opening: | 1991 |
| Res Capacity Total: | 9300 thousand cubic meters |
| Res Catchment: | 279.6 sq. km |
| Res Surface: | 67 hectares |
| Coordinates: | 34.9464°N 135.1169°W |
| Location Map: | Japan |
Ohkawase Dam is a gravity dam located in Hyogo Prefecture in Japan. The dam is used for irrigation and water supply. The catchment area of the dam is 279.6 km2. The dam impounds about 67 ha of land when full and can store 9300 thousand cubic meters of water. The construction of the dam was started on 1968 and completed in 1991.[1]