Maruyama Dam
丸山ダム
A historic 98.2-meter gravity dam on the Kiso River, notable as Japan's first large-scale mechanized dam construction project.
What it is
- A gravity concrete dam used for flood control and hydroelectric power generation.
- Completed in 1954 as Japan's first dam in the 100-meter height class.
- The first project in Japan to utilize full-scale mechanized construction methods.
- A structure spanning Yaotsu and Mitake towns within a Quasi-National Park.
What to see
- The 98.2-meter high concrete dam wall spanning the Kiso River.
- Lake Maruyama Sosui, the reservoir created by the dam structure.
- The surrounding scenery of the Hida-Kiso River Quasi-National Park.
- The associated hydroelectric power station operated by Kansai Electric Power.
When to go
- Visit before 2029 when a redevelopment project will submerge the current dam.
Notes written by Japan Gems from facts in Japanese Wikipedia.
Where it is
Maruyama Dam Open in Google Maps
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