| Hayaseno Dam | |
| Location: | Aomori Prefecture, Japan |
| Dam Length: | 285.9m |
| Dam Height: | 56m |
| Construction Began: | 1968 |
| Opening: | 1985 |
| Res Capacity Total: | 13500 thousand cubic meters |
| Res Catchment: | 22.8 sq. km |
| Res Surface: | 75 hectares |
| Coordinates: | 40.4672°N 140.545°W |
| Location Map: | Japan |
Hayaseno Dam is a rockfill dam located in Aomori Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 22.8 km2. The dam impounds about 75 ha of land when full and can store 13500 thousand cubic meters of water. The construction of the dam was started on 1968 and completed in 1985.[1]