Monument Valley

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 northern border of Arizona with southern Utah (around 36°59′N 110°6′W / 36.983°N 110.1°W / 36.983; -110.1), near the Four Corners area. The valley lies within the range of the Navajo Nation Reservation, and is accessible from U.S. Highway 163. The area is part of the Colorado Plateau. The floor is largely siltstone of the Cutler Formation, or sand derived from it, deposited by the meandering rivers that carved the valley. The valley's vivid red color comes from iron oxide exposed in the...