The Kanayama Dam (金山ダム） is the only Hollow Concrete Gravity dam in Hokkaidō, Japan.[1] The dam was constructed for the purposes of flood control and water use (irrigation, water supply, and hydro electric power generation).[2] The dam produces anywhere from 12,000kW to 25,000kW of hydro electric power.

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Kanayama Dam
Location	Hokkaidō, Japan.
Coordinates	43°07′47.0″N 142°26′35.1″E
Construction began	1959
Opening date	1967
Dam and spillways
Impounds	Sorachi River
Height	57.3 m
Length	288.5 m
Reservoir
Total capacity	150,450,000 m³
Catchment area	470.0 km²
Surface area	920 hectares

References

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