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 Naka River and Ayase River (Tokyo)

For Ayase River, which was recorded as the worst river in terms of water quality for 15 consecutive years, a project was conducted to channel the water of Ara River upstream as part of "Limpid Stream Renaissance II" (a water environment improvement emergency action plan). This project won the Japan Society of Civil Engineers' Environmental Award in 2001 as Japan's first project using the tunnel upper part for subways and the lower part for a river water conduit.


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