Ōtōsan Prefectural Natural Park

Ōtōsan Prefectural Natural Park (大塔山県立自然公園) is a Prefectural Natural Park in Wakayama Prefecture, Japan. Established in 2020, the park spans the borders of the municipalities of Kozagawa, Shingū, and Tanabe. The park's central feature is the eponymous Mount Ōtō (大塔山).