Maruyama Dam

The Maruyama Dam is a dam on the border of Mitake and Yaotsu in Gifu Prefecture, Japan. It was built on the upper reaches of the Kiso River system. It is a gravity dam that is tall. It is the site of a power plant.
It was built after World War II as part of a large, nationwide dam building project.

Surrounding area

Sosui Gorge was formed by the completion of the dam. Along with Ena Gorge further upstream, the area is part of the Hida-Kisogawa Quasi-National Park.