Four Corners Monument

The Four Corners Monument marks the quadripoint in the Southwestern United States where the states of Arizona, Colorado, New Mexico, and Utah meet. It is the only point in the United States shared by four states, leading to the area being named the Four Corners region. The monument also marks the boundary between two semi-autonomous Native American governments, the Navajo Nation, which maintains the monument as a tourist attraction, and the Ute Mountain Ute Tribe Reservation.
San Juan County, New Mexico

San Juan County is a county in the U.S. state of New Mexico. As of the 2010 census, the population was 130,044, making it the fifth-most populous county in New Mexico. Its county seat is Aztec. The county was created in 1887.
Montezuma County, Colorado
Montezuma County is the southwesternmost of the 64 counties in the U.S. state of Colorado. As of the 2010 census, the population was 25,535. The county seat is Cortez.
Cortez, Colorado

Cortez is a Home Rule Municipality that is the county seat and the most populous municipality of Montezuma County, Colorado, United States. The city population was 8,482 at the 2010 United States Census.
Farmington, New Mexico

Farmington is a city in San Juan County in the U.S. state of New Mexico. As of the 2010 census the city had a total population of 45,877 people. Farmington makes up one of the four Metropolitan Statistical Areas (MSAs) in New Mexico. The U.S. Census Bureau's population estimate in 2018 for Farmington was 44,788.
Navajo Nation

The Navajo Nation is an American Indian territory covering about 17,544,500 acres, occupying portions of northeastern Arizona, southeastern Utah, and northwestern New Mexico in the United States. This is the largest land area retained by an indigenous tribe in the United States, with a population of roughly 350,000 as of 2016.
Southwestern United States

The Southwestern United States, also known as the American Southwest, Desert Southwest, or simply The Southwest, is the informal name for a region of the western United States. Definitions of the region's boundaries vary a great deal and have never been standardized, though many boundaries have been proposed. For example, one definition includes the stretch from the Mojave Desert in California to Carlsbad, New Mexico, and from the Mexico–United States border to the southern areas of Colorado, Utah, and Nevada. The largest metropolitan areas are centered around Phoenix, Las Vegas, Tucson, Albuquerque, and El Paso. Those five metropolitan areas have an estimated total population of more than 9.6 million as of 2017, with nearly 60 percent of them living in the two Arizona cities—Phoenix and Tucson.
U.S. Route 160

U.S. Route 160 (US 160) is a 1,465 mile (2,358 km) long east–west United States highway in the Midwestern and Western United States. The western terminus of the route is at US 89 five miles (8 km) west of Tuba City, Arizona. The eastern terminus is at US 67 and Missouri 158 southwest of Poplar Bluff, Missouri. Its route, if not its number, was made famous in song in 1975, as the road from Wolf Creek Pass to Pagosa Springs, Colorado in C.W. McCall's country music song Wolf Creek Pass.
San Juan River (Colorado River tributary)

The San Juan River is a major tributary of the Colorado River in the Southwestern United States, providing the chief drainage for the Four Corners region of Colorado, New Mexico, Utah and Arizona. Originating as snowmelt in the San Juan Mountains of Colorado, it flows 383 miles (616 km) through the deserts of northern New Mexico and southeastern Utah to join the Colorado River at Glen Canyon. The river drains a high, arid region of the Colorado Plateau and along its length it is often the only significant source of fresh water for many miles. The San Juan is also one of the muddiest rivers in North America, carrying an average of 25 million US tons of silt and sediment each year.
Yucca House National Monument

Yucca House National Monument is a United States National Monument located in Montezuma County, Colorado between the towns of Towaoc and Cortez, Colorado. Yucca House is a large, unexcavated Ancestral Puebloan archaeological site.
Ute Mountain Ute Tribe

The Ute Mountain Ute Tribe is one of three federally recognized tribes of the Ute Nation, and are mostly descendants of the historic Weeminuche Band who moved to the Southern Ute reservation in 1897. Their reservation is headquartered at Towaoc, Colorado on the Ute Mountain Ute Indian Reservation in southwestern Colorado, northwestern New Mexico and small sections of Utah.
Ute Mountain
Ute Mountain, also known as Ute Peak or Sleeping Ute Mountain, is a peak within the Ute Mountains, a small mountain range in the southwestern corner of Colorado. It is on the northern edge of the Ute Mountain Ute Tribe Reservation. The Reservation forms the southwestern corner of the state and of Montezuma County.
Canyons of the Ancients National Monument

Canyons of the Ancients National Monument is a national monument protecting an archaeologically-significant landscape located in the southwestern region of the U.S. state of Colorado. The monument's 176,056 acres (71,247 ha) are managed by the Bureau of Land Management, as directed in the Presidential proclamation which created the site on June 9, 2000. Canyons of the Ancients National Monument is part of the National Landscape Conservation System, better known as the National Conservation Lands. This system comprises 32 million acres managed by the Bureau of Land Management to conserve, protect, and restore these nationally significant landscapes recognized for their outstanding cultural, ecological, and scientific values. Canyons of the Ancients encompasses and surrounds three of the four separate sections of Hovenweep National Monument, which is administered by the National Park Service. The monument was proclaimed in order to preserve the largest concentration of archaeological sites in the United States, primarily Ancestral Puebloan ruins. As of 2005, over 6,000 individual archeological sites had been identified within the monument.
Dinétah

Dinétah is the traditional homeland of the Navajo tribe of Native Americans. In the Navajo language, the word "Dinétah" means "among the people" or "among the Navajo". In the geographical sense, Dinétah encompasses a large area of northwestern New Mexico, southwestern Colorado, southeastern Utah, and northeastern Arizona. The boundaries are inexact, and are generally marked by mountain peaks which correspond to the four cardinal directions.
Navajo section

The Navajo Section is a physiographic section of the larger Colorado Plateaus Province, which in turn is part of the larger Intermontane Plateaus physiographic Division.
Trail of the Ancients

The Trail of the Ancients is a National Scenic Byway located in the states of Colorado and Utah. The route highlights the archaeological and cultural history of southwestern Native American peoples, and traverses the widely diverse geological landscape of the Four Corners region. It was the first National Scenic Byway that was designated solely for its archaeological sites. The entire route is approximately 480 miles (772.5 km) long.
Trail of the Ancients Scenic Byway (New Mexico)

The Trail of the Ancients is a New Mexico Scenic Byway to prehistoric archaeological and geological sites of northwestern New Mexico. It provides insight into the lives of the Ancestral Puebloans and the Navajo, Ute, and Apache peoples. Geological features include canyons, volcanic rock features, and sandstone buttes. Several of the sites are scenic and wilderness areas with recreational opportunities.