Sobo Katamuki Prefectural Natural Park (Ōita)

Sobo Katamuki Prefectural Natural Park (祖母傾県立自然公園) was a Prefectural Natural Park in southern Ōita Prefecture, Japan. Established in 1951, the park spanned the municipalities of Bungo-ōno, Saiki, and Taketa. In 2017 it was incorporated into the Sobo, Katamuki and Okue Biosphere Reserve.