International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage



World Heritage Irrigation Structures

Nasu Irrigation System

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Located on the Nakagawa Basin, Nasushiobara city, Tochigi Prefecture, Japan, is hereby included in the Register for using advanced construction techniques for masonry tunnels and syphons in fragile volcanic rocks and reinforcing masonry walls by resin and cement as adhesives more than 130 years ago.

HIGHLIGHTS

Country: Japan

Province: Tochigi Prefecture

Latitude : 37.038375 Longitude : 139.986539

Built: 1885

River: Nakagawa Basin

Irrigated Area: 2600 ha

RECOGNIZED AT:

68th IEC Meeting, Mexico City, Mexico, 2017

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