The Maruyama Dam (丸山ダム, Maruyama Damu) 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 98.2 m (322 ft) tall. It was built after World War II as part of a large, nationwide dam building project.

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Maruyama Dam
Location	Mitake, Gifu Prefecture, Japan.
Coordinates	35°28′08.0″N 137°10′20.0″E
Construction began	1943
Opening date	1955
Owner(s)	MLIT and Kansai Electric Power Company
Dam and spillways
Impounds	Kiso River
Height	98.2 m
Length	260 m
Reservoir
Total capacity	79,520,000 m³
Catchment area	2,409.0 km²
Surface area	263 hectares

Surrounding area

Sosui Gorge (蘇水峡 Sosui-kyō) 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.

References

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