Mibugawa Suikei Prefectural Natural Park

Mibugawa Suikei Prefectural Natural Park (三峰川水系県立自然公園) is a Prefectural Natural Park in south-central Nagano Prefecture, Japan. Established in 1958, the park's central feature is the Mibu River (三峰川). The park is wholly within the municipality of Ina.