Amahata Dam is an arch dam located in Yamanashi Prefecture in Japan.

The catchment area of the dam is 99.7 km2.

The dam impounds about 59 ha of land when full and can store 11000 thousand cubic meters of water.

The construction of the dam was completed in 1967.

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