Oljato–Monument Valley, Sandstone rock formations in San Juan County, United States.
Oljato-Monument Valley is a collection of towering sandstone cliffs and mesas rising from the desert floor in Utah and Arizona. The formations reach approximately 1,000 feet (300 meters) above the surrounding plain and dominate the landscape with their steep walls and isolated peaks.
The region experienced major mining activity from the 1940s through the 1960s, when companies extracted uranium and related minerals from the area. This industrial period shaped the landscape and affected local communities for several decades.
The area holds deep meaning for the Navajo Nation, who call it Tsé Biiʼ Ndzisgaii and view it as a sacred place. Visitors can sense how local communities have maintained these connections across many generations through their stewardship of the land.
The best time to visit is early morning, when sunlight colors the rocks in warm tones and the area is less crowded. Bring plenty of water and wear proper footwear, as the ground is sandy and uneven throughout the region.
The red color of the cliffs comes from iron oxide and manganese oxide naturally present in the sandstone layers. These mineral contents give the landscape its distinctive hue, which shifts in appearance as sunlight and time of day change.
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