Black Canyon of the Gunnison National Park

Black Canyon of the Gunnison National Park is an American national park located in western Colorado and managed by the National Park Service. There are two primary entrances to the park: the south rim entrance is located 15 miles east of Montrose, while the north rim entrance is 11 miles south of Crawford and is closed in the winter. The park contains 12 miles of the 48-mile-long Black Canyon of the Gunnison River.

Source: Wikipedia