Hidaka-sanmyaku Erimo Quasi-National Park

 is the largest quasi-national park in Japan. The park includes the Hidaka Mountains and Cape Erimo and is located in southeast Hokkaidō. The park was designated Erimo Prefectural Park in 1950 and Erimo Prefectural Nature Park in 1958 until it was raised to a quasi-national in 1981. It is categorized as a natural monument by World Commission on Protected Areas.
Like all quasi-national parks in Japan, the park is managed by the prefectural government.