| Odayama-ike Dam | |
| Location: | Hiroshima Prefecture, Japan |
| Dam Length: | 150.7m |
| Dam Height: | 15.6m |
| Opening: | 1961 |
| Res Capacity Total: | 187 thousand cubic meters |
| Res Catchment: | 2 sq. km |
| Res Surface: | 3 hectares |
| Coordinates: | 34.3664°N 132.665°W |
| Location Map: | Japan |
Odayama-ike Dam is an earthfill dam located in Hiroshima Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 2 km2. The dam impounds about 3 ha of land when full and can store 187 thousand cubic meters of water. The construction of the dam was completed in 1961.[1]