| Himenokawauchi Dam | |
| Name Official: | 姫の河内ダム |
| Location: | Kumamoto Prefecture, Japan |
| Dam Length: | 81m |
| Dam Height: | 21m |
| Construction Began: | 1985 |
| Opening: | 1987 |
| Res Capacity Total: | 109 thousand cubic meters |
| Res Catchment: | 1.2 sq. km |
| Res Surface: | 3 hectares |
| Coordinates: | 32.2544°N 130.0289°W |
| Location Map: | Japan |
Himenokawauchi Dam is a gravity dam located in Kumamoto Prefecture in Japan. The dam is used for water supply. The catchment area of the dam is 1.2 km2. The dam impounds about 3 ha of land when full and can store 109 thousand cubic meters of water. The construction of the dam was started on 1985 and completed in 1987.[1]