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Kawachi Reservoir



The first-class civil construction heritage, the triggered the registration of World Cultural 

Heritage of Sites of Japan’s Meiji Industrial Revolution 

The Kawachi Reservoir was constructed for the industrial water supply to Yawata

Steel Works. The dam was constructed at the Okura River and upper stream of the

dam was expanded and making the 7milion cubic metre reservoir.

 Specification of the dam  

・completion year : 1927

・height : 43.1 metre 
・Width : 189 metre

・Water storage capacity : 7,000,000 cubic metre

In the construction of the dam, the unprecedented design in the world has been applied 

in order to harmonize with nature and to save the construction cost. The stones come

out from the mountain when the river was expanded have been utilized for construction

of the dam.

All stones are cut into sizes and shapes by the stone technicians  according to the

place of use.  The large size stone were used at the main construction of the dam

and the small size stones were used for other places as per size and shape.

Construction was started in 1919 and was completed in1927 by 900 thousand total

number of workers.


Minami Kawachi-bashi bridge

The only remaining lenticular truss bridge in Japan  ( lens type truss bridge),
located at the south side of Kawachi Reservoir and it was designed by Hisanori
Numata.  This shape and color really harmonize with nature and become a
symbol of the Iron town Yahata.


 Location of Kitakyushu-city




General information  

Address Kawachi, Yahata-higashi-ku, Kitakyushu-city, Fukuoka-prefecture

30 minutes by a vehicle from JR Kokura Station


Should you need further information please feel free to contact us.

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And we would love to chat about your travel plans on the phone as well,

please ring our office a call in English    Tel : +81-93-521-8897


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 - Fukuoka-prefecture, Kitakyushu travel guide, Kitakyushu tour, UNESCO Japan's Meiji Industrial Revolution Sites, UNESCO World Heritage