Maruyama Dam, Concrete dam in Gifu Prefecture, Japan
Maruyama Dam is a concrete barrier in the Kiso River system in Gifu Prefecture that rises through gravity 98.2 m tall Its construction has a crest of 260 m and is built with thick walls that hold back the waters of Maruyama Sokō Lake
The dam was completed in 1955 when Japan s modernization required large structures that could be built with machines instead of human labor It was the first of its size class to be built entirely with mechanized equipment
The name Maruyama means
Visitors can pick up collector cards daily between 7 30 AM and 7 00 PM while guided tours must be booked in advance on weekdays Access is straightforward and offers parking near the dam
The structure serves as both a crossing point and a water barrier A new dam is being built upstream that will submerge the current structure by 2029
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