is a Prefectural Natural Park on the east coast of Ōita Prefecture, Japan. Established in 1985, the park spans the municipalities of Saiki, Tsukumi, and Usuki. The park's central focus is upon the Bungo Strait.

See also National Parks of Japan Nippō Kaigan Quasi-National Park Setonaikai National Park

References

External links Maps of Bungo Suidō Prefectural Natural Park