Yunohara Dam is a concrete gravity dam located in Yamaguchi prefecture in Japan.

The dam is used for irrigation and water supply.

The dam impounds about 62 ha of land when full and can store 2930 thousand cubic meters of water.

The construction of the dam was started in 1972 and completed in 1990.

This article about a dam or floodgate in Chūgoku region of Honshu, Japan is a stub.