| Sonoseki Dam | |
| Name Official: | 惣の関ダム |
| Location: | Miyagi Prefecture, Japan |
| Dam Length: | 115m |
| Dam Height: | 23.5m |
| Construction Began: | 1988 |
| Opening: | 1999 |
| Res Capacity Total: | 1100 thousand cubic meters |
| Res Catchment: | 3.8 sq. km |
| Res Surface: | 17 hectares |
| Coordinates: | 38.3433°N 140.9892°W |
| Location Map: | Japan |
Sonoseki Dam is a gravity dam located in Miyagi Prefecture in Japan. The dam is used for flood control and water supply. The catchment area of the dam is 3.8 km2. The dam impounds about 17 ha of land when full and can store 1100 thousand cubic meters of water. The construction of the dam was started on 1988 and completed in 1999.[1]