Kawachi Dam is a dam in Yahata Higashi, KitaKyushu City, Fukuoka Prefecture, Japan. It has been built from stone and mortar to sustain water flow for local steel mills between 1919 and 1927. It was once to be said as "Orient's best dam". As for Minamikawachi bridge, completed in 2006, it is a part of Kitakyushu Seminational Park and is a national industrial heritage since 2007. A mountain hike begins from these sites.