| Aratani Dam | |
| Location: | Yamaguchi Prefecture, Japan |
| Dam Length: | 160m |
| Dam Height: | 56m |
| Construction Began: | 1976 |
| Opening: | 1987 |
| Res Capacity Total: | 5200 thousand cubic meters |
| Res Catchment: | 8.1 sq. km |
| Res Surface: | 25 hectares |
| Coordinates: | 34.2342°N 131.4925°W |
| Location Map: | Japan |
Aratani Dam is a gravity dam located in Yamaguchi prefecture in Japan. The dam is used for flood control and water supply. The catchment area of the dam is 8.1 km2. The dam impounds about 25 ha of land when full and can store 5200 thousand cubic meters of water. The construction of the dam was started on 1976 and completed in 1987.[1]