Asian River Restoration Network (ARRN)

The Asian River Restoration Network was established in Nov. 2006 to support the exchange of information relating to environmental restoration of rivers and watersheds. JRRN has a role of ARRN secretariat currently.

Go to ARRN website

Contact us (Secretariat)

Lofty Chuoh Bldg., 7th Flr.

17-24, Shinkawa 1cho-me, Chuo-ku, Tokyo 104-0033, JAPAN

Foundation for Riverfront Improvement and Restoration
Tel: +81-3-6228-3860
Fax: +81-3-3523-0640


< World's WATERFRONT: JAPAN Entry Archive >

Restoration of Tamagawa Waterworks (Tokyo)

Tamagawa Waterworks is a canal approx. 43km in length from Hamura City, Tokyo to Yotsuyaokido, Shinjuku Ward, excavated by the government of Edo to relieve water shortages in Edo by taking water from Hamura Diversion Weir of Tama River. Today, the part from Hamura Diversion Weir to Kodaira Observation Point approximately 12km in length is actually used.
Tamagawa Waterworks is a long wooden structure built based on the excellent surveying technology of early modern ages. It was designated as one of the Japanese historical places in August 2003 because it is a valuable civil engineering heritage as the water supplying facilities for a large city of Edo and irrigation water for Musashino highland in modern times.


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