Ōtaki-Ōkawa Prefectural Natural Park

Ōtaki-Ōkawa Prefectural Natural Park (大滝大川県立自然公園) is a Prefectural Natural Park on the southern border of Kagawa Prefecture, Japan. Established in 1992, the park comprises two non-contiguous areas of the Sanuki Mountains. It includes Mount Ōtaki (大滝山) (946 m) and Mount Ōkawa (大川山) (1043 m).