01 / Honjo Reservoir Dam Waterworks (本庄水源地堰堤水道施設)
A dam built in Taisho 7 is still in service,the mainstay of Kure's water supply.

To deal with a water shortage, the former Navy dammed the Niko River and built this reservoir, completed in 1918. The dam is 97 m long and 25 m high. Cast-iron pipes and sluice valves remain in their original state, and as a working waterworks it became a National Important Cultural Property. It is normally closed to visitors and opens to the public during the cherry blossom season.
- Completed in 1918 (Taisho 7)
- 97 m long, 25 m high
- Open to the public in cherry blossom season

