Uryu Dam

The Uryu Dam (雨竜ダム) is a dam complex in Hokkaidō, Japan on the Uryu River. It consists of two dams. It is a power generation dam managed by Hokkaido Electric Power Co., Inc., and is a gravity-type concrete dam with a bank height of 45.5 meters. Lake Shumarinai, which is an artificial lake, is more famous than a dam, but this lake is the largest artificial lake in Japan with a flooded area (the area of a dam lake). This record has not yet been broken since it was completed in 1943 (Showa 18) during the war.

Uryu Dam
Uryu Dam No.2
LocationHokkaidō, Japan.
Coordinates44.3006°N 142.182°E / 44.3006; 142.182
Construction began1939
Opening date1943
Dam and spillways
ImpoundsUryu River
Height45.5 m
Length216 m
Reservoir
Total capacity224,653,000 m³
Catchment area368.5 km²
Surface area2,373 hectares



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