Yodo River Large Weir and Yodo River Former Diversion Facility

〜Yodo River Large Weir and Yodo River Former Diversion Facility, an Important Cultural Property〜

Modern river improvement in Japan began with the Yodo River during the Meiji period.
During the “River Improvement Project” in the Meiji period, the Shin-Yodo River (around 16 km) was excavated from Moriguchi to Osaka Bay, to isolate the central part of Osaka City from flooding. The Kema Lock and the Kema Overflow Weir were established as the dividing point between metropolitan Osaka and the Shin-Yodo River.
At present, the functions served by the Kema Lock and Overflow Weir have been switched to a successor facility, the Yodo River large weir and another Kema facility, but the original facility is one of the representative remains of what was Japan’s first large-scale machine used for the River Improvement Project at Yodo River. The facility has thus been designated as an important cultural property of high value in the history of modern rivers.
The Yodo River Office holds group explanations (reservations required) to give participants the chance to think about Yodo River flood control around the Yodo River Large Weir and the Meiji remains, where they can learn about the structure of the Yodo River Large Weir and the history of the Yodo River.