Monument Valley ( Navajo: Tsé Biiʼ Ndzisgaii, meaning valley of the rocks ) is a region of the Colorado Plateau characterized by a cluster of vast sandstone buttes, the largest reaching 1,000 ft (300 m) above the valley floor. It is located on the Arizona-Utah state line, near the Four Corners area. The valley lies within the range of the Navajo Nation Reservation and is accessible from U.S. Highway 163.

Reference Code: usa_045