Misumi-Ōyano Umibe Prefectural Natural Park

Misumi-Ōyano Umibe Prefectural Natural Park (三角大矢野海辺県立自然公園) is a Prefectural Natural Park on the west coast of Kumamoto Prefecture, Japan. Established in 1956, the park spans the municipalities of Kami-Amakusa, Uki, and Uto.