Nukui Dam
| Nukui Dam | |
|---|---|
| Location | Hiroshima Prefecture, Japan. |
| Coordinates | 34°38′03.3″N 132°17′58.8″E / 34.634250°N 132.299667°E |
| Construction began | 1974 |
| Opening date | 2001 |
| Dam and spillways | |
| Impounds | Takiyama River A tributary of Ōta River |
| Height | 156 m |
| Length | 382 m |
| Reservoir | |
| Total capacity | 82,000,000 m3 |
| Catchment area | 253.0 km2 |
| Surface area | 160 hectares |
Nukui Dam (温井ダム) is a dam in Akiōta (former Kake), Hiroshima Prefecture, Japan. In Japan, it is the second highest arch dam, and it generates a powerful discharge from a height of 156 meters (500 liters per second).