オオサンショウウオ
is a Quasi-National Park that spans areas of Tottori Prefecture, Shimane Prefecture, and Hiroshima Prefecture, to the east of the island of Honshu, Japan. It was founded on 24 July 1963 and has an area of . As its name suggests, the Hiba-Dogo-Taishaku Quasi-National Park is composed of a series of mountains and ravines in the middle of the Chūgoku Mountains. The park has virgin forests of Japanese beeches, Japanese oaks, Japanese horse-chestnuts and interesting ferns. Fauna include the Asiatic black bear, Japanese macaque, mountain hawk eagle and the Japanese giant salamander. Lake Shinryū is also a component of the park.