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.
Utah
Utah is one of the Four Corners states, and is bordered by Idaho in the north, Wyoming in the north and east; by Colorado in the east; at a single point by New Mexico to the southeast; by Arizona in the south; and by Nevada in the west. It covers an area of . The state is one of only three U.S. states (with Colorado and Wyoming) that have only lines of latitude and longitude for boundaries.