Iwafune Dam
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| Iwafune Dam | |
|---|---|
| Location | Sekikawa, Niigata, Japan |
| Construction began | 1960 |
| Opening date | 1961 |
| Dam and spillways | |
| Height | 30.2 m |
| Length | 92.6 m |
| Dam volume | 27,000 m3 |
| Reservoir | |
| Total capacity | 5,875,000 m3 |
| Catchment area | 766 km2 |
| Surface area | 67 ha |
Iwafune Dam (岩船ダム, Iwafune damu) is a hydroelectric dam in Sekikawa, Niigata Prefecture, Japan. It was completed in 1961 in the upper reaches of the Arakawa River.[1]