is a Prefectural Natural Park in southern Chiba Prefecture, Japan. First designated for protection in 1935, the park's central features are the and . The park spans the municipalities of Ichihara, Kamogawa, Kimitsu, and Ōtaki.
See also National Parks of Japan
References
External links Map of Yōrō Keikoku Okukiyosumi Prefectural Natural Park Yōrō Keikoku Ryokan Kumiai