Monument Valley is located in the southwestern United States, primarily in northeastern Arizona along the Utah–Arizona state line. It lies within the Navajo Nation Reservation and is part of the Colorado Plateau. The valley is known for its iconic sandstone buttes, some reaching up to 1,000 feet (300 meters) above the valley floor, and is considered sacred by the Navajo people

. The Monument Valley Navajo Tribal Park, which encompasses much of the area, is situated near the border between Arizona and Utah. The valley floor elevation ranges from about 5,000 to 6,000 feet (1,500 to 1,800 meters) above sea level

. In summary, Monument Valley is located at the Utah-Arizona border within the Navajo Nation Reservation in the United States.