Chūbu-Sangaku National Park
Chūbu-Sangaku National Park (中部山岳国立公園, Chūbu Sangaku Kokuritsu Kōen) is a national park in the Chūbu region of Japan. It was established around the Hida Mountains and encompasses parts of Nagano, Gifu, Toyama and Niigata prefectures.
Source: Wikipedia — Chūbu-Sangaku National Park (CC BY-SA 4.0)