01 / School building
A wooden school building of 1939,104 tsubo in floor area, built for 7,500 yen.

The Onabake Branch School of the former Okada Elementary School took over from the private Onabake Jinjo Elementary School, founded in 1898, and closed in March 1972. Its building became the city's first nationally Registered Tangible Cultural Property in May 2018. The city's guidebook records a rope-twisting speed contest at the local sports days.
- Wooden building of 1939
- Registered Tangible Cultural Property (May 2018)
- 138 pupils in 1957

