The Four Corners region is the red circle in this map. The Four Corners states are highlighted in orange.False-color satellite image of the Four Corners. Bright red lines are vegetation along the major rivers of the area. The main southeast–northwest river is the San Juan. The prominent confluence near the center is the confluence with the Mancos River, in New Mexico. The minor confluence northwest of there is with the Toh Dahstini Wash, which drains to the north from Arizona, joining the San Juan in Colorado near the Utah–Colorado border, just north of Four Corners. US Highway 160 is also visible in the image, as is 4 Corners Road to the monument.A young Navajo boy on horseback in Monument Valley. The Navajo Nation includes much of the Four Corners area, including the valley, used in many western movies.Flags surrounding the Four Corners Monument. In clockwise order starting from the frontmost flag, the state flag of Arizona, flag of the Navajo Nation, pre-2011 flag of Utah, Navajo nation (second instance)Ute Mountain Ute Tribe Reservation, Colorado, New Mexico, Navajo Nation (third instance), and the flag of the United StatesThe Durango and Silverton Narrow Gauge Railroad, now a heritage railway, formerly connected the Four Corners area to the national rail network.Bluff, Utah and Comb Ridge from the air