Yokoyama Dam
| Yokoyama Dam | |
|---|---|
![]() | |
| Location | Ibigawa, Gifu Prefecture, Japan. |
| Coordinates | 35°35′35″N 136°27′19″E / 35.59306°N 136.45528°E |
| Construction began | 1957 |
| Opening date | 1964 |
| Dam and spillways | |
| Impounds | Ibi River |
| Height | 80.8 m |
| Length | 220.0 m |
| Reservoir | |
| Total capacity | 43,000,000 m3 |
| Catchment area | 471.0 km2 |
| Surface area | 170 hectares |
Yokoyama Dam (横山ダム, Yokoyama damu) is a dam in Ibigawa, in the Gifu Prefecture of Japan.

Wikimedia Commons has media related to Yokoyama Dam.
