Nishiyama Dam, Gravity dam in Hayakawa, Japan
The Nishiyama Dam extends 112.3 meters in length and reaches a height of 40.6 meters across the waterway in Yamanashi Prefecture.
The construction of Nishiyama Dam, completed in 1954, represented a major advancement in water management infrastructure during Japan's post-war development period.
The dam's location in the Chūbu region of Honshu integrates water resource management with local agricultural traditions and community development patterns.
The structure maintains a water storage capacity of 2,382,000 cubic meters, supporting hydroelectric power generation and agricultural irrigation throughout the surrounding area.
The dam's catchment area spans 192 square kilometers, creating a 24-hectare reservoir that transforms the natural landscape of Hayakawa.
Location: Hayakawa
Inception: 1954
Height: 40.6 m
Length: 112.3 m
GPS coordinates: 35.56972,138.29972
Latest update: March 8, 2025 11:30
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