Sayama pond
7th century pond in Osaka, Japan / From Wikipedia, the free encyclopedia
Sayama pond (狭山池, Sayama-ike) is an artificial reservoir located in the city of Ōsakasayama, Osaka Prefecture in the Kansai region of Japan. Constructed around the 6th century, it claims to be the oldest in Japan, based on chronological survey of potteries near the lake confirmed that the pond was completed in 7th century.[1] The pond was designated a National Historic Site in 1946,[2] and is listed as World Heritage Irrigation Structure by International Commission of Irrigation and Drainage.
Quick Facts Country, Location ...
Sayama Pond Dam | |
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Country | Japan |
Location | Ōsakasayama, Osaka Prefecture |
Coordinates | 34°30′9.8″N 135°33′0.3″E |
Purpose | irrigation, flood control |
Opening date | c. Asuka period |
Dam and spillways | |
Type of dam | Earthen |
Impounds | Nishiyoke River |
Height (foundation) | 18.5 meters |
Length | 997 meters |
Dam volume | 605,000 m³ |
Reservoir | |
Creates | Sayama Pond |
Total capacity | 2,800,000 m³ |
Surface area | 17.9 km² |
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