Tozurahara Dam is an earthfill dam located in Chiba Prefecture in Japan.

The catchment area of the dam is 15 km2.

The dam impounds about 45 ha of land when full and can store 4350 thousand cubic meters of water.

The construction of the dam was started on 1970 and completed in 1978.

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