Sakamoto Dam
| Sakamoto Dam | |
|---|---|
 | |
| Location | Gunma Prefecture, Japan. |
| Construction began | 1985 |
| Opening date | 1994 |
| Dam and spillways | |
| Height | 36.3 m |
| Length | 85 m |
| Reservoir | |
| Creates | Lake Usui |
| Total capacity | 778,000 m³ |
| Catchment area | 13.7 km² |
| Surface area | 7 hectares |
Sakamoto Dam is a dam in the Gunma Prefecture of Japan. It forms Lake Usui.
 |
Wikimedia Commons has media related to Lake Usui. |
Coordinates: 36°21′12″N 138°42′27.3″E / 36.35333°N 138.707583°E