Nagashima Dam
| Nagashima Dam | |
|---|---|
| Official name | 長島ダム |
| Location | Shizuoka Prefecture, Japan |
| Coordinates | 35°09′58″N 138°09′19″E / 35.16611°N 138.15528°E |
| Construction began | 1972 |
| Opening date | 2002 |
| Operator(s) | Ministry of Land, Infrastructure, Transport and Tourism |
| Dam and spillways | |
| Impounds | Ōi River |
| Height | 109 meters |
| Length | 308 meters |
| Reservoir | |
| Creates | Nagashima Reservoir |
| Total capacity | 78,000,000 m3 |
| Catchment area | 534.3 km2 |
| Surface area | 230 hectares |
The Nagashima Dam (長島ダム, Nagashima damu) is a dam on the Ōi River, located in Kawanehon Town, Haibara District, Shizuoka Prefecture on the island of Honshū, Japan.