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.
Four Corners, Montana
Four Corners is located in central Gallatin County at (45.667876, -111.182530), west of Bozeman. The "Four Corners" refers to the intersection of U.S. Route 191, Montana Highway 84, and Montana Highway 85. US 191 leads east to Bozeman and south to West Yellowstone, MT 84 leads west to Norris, and MT 85 leads north to Belgrade and Interstate 90.