Mozawa Dam is an earthfill dam located in Gunma Prefecture in Japan.

The dam is used for flood control.

The dam impounds about 3 ha of land when full and can store 173 thousand cubic meters of water.

The construction of the dam was started on 1971 and completed in 1977.

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