01 / Hōnen'ike Dam
Five arches and six buttressesstill hold back the water.

Built between 1926 and November 1929, this irrigation dam is gravity-type at both ends and a multiple-arch type in the middle, with five arches and six buttresses. It still waters about 500 hectares of farmland, and in 2006 became a national Important Cultural Property.
- Length 145.5m, height 30.4m
- 5 arches, 6 buttresses
- 2006: National Important Cultural Property
