Sobo Katamuki Prefectural Natural Park (祖母傾県立自然公園, Sobo Katamuki kenritsu shizen kōen) was a Prefectural Natural Park in southern Ōita Prefecture, Japan. Established in 1951, the park spanned the municipalities of Bungo-ōno, Saiki, and Taketa.[1] In 2017 it was incorporated into the Sobo, Katamuki and Okue Biosphere Reserve.[2]
32°53′54.6″N 131°36′24.5″E / 32.898500°N 131.606806°E / 32.898500; 131.606806