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 Nakashima ( Nagasaki City, Nagasaki Prefecture)

"Megane Bridge" over Nakashima River is the oldest arch-shaped bridge in Japan, designated as a national important culture asset. It is one of the main sightseeing spots of Nagasaki City and many tourists visit there.
In Nakashima River Water Control Plan, it was required to remove the bridge in order to widen the river channel. Based on the citizens’ opinions and as a result of an experiment with a model, however, it was determined to conserve the bridge at the present location by constructing a bypass waterway on either side to flow down flood water safely. Today the area around the bridge has been improved as Nakashima River Park, which is a place of recreation and relaxation.


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