| Iwaigawa Dam | |
| Location: | Nara Prefecture, Japan |
| Dam Length: | 181m |
| Dam Height: | 55m |
| Construction Began: | 1974 |
| Opening: | 2008 |
| Res Capacity Total: | 810 thousand cubic meters |
| Res Catchment: | 3.3 sq. km |
| Res Surface: | 5 hectares |
| Coordinates: | 34.6606°N 135.8697°W |
Iwaigawa Dam is a concrete gravity dam located in Nara prefecture in Japan. The dam is used for flood control. The catchment area of the dam is 3.3 km2. The dam impounds about 5 ha of land when full and can store 810 thousand cubic meters of water. The construction of the dam was started in 1974 and completed in 2008.[1] [2]