Tri-State Marker For Texas, Oklahoma, and New Mexico
A Tri-State Marker On The Plains There is a spot where Sooner Country, the Lone Star State, and
the Land of Enchantment meet in a big bang of geographic notoriety.
The marker is easy to find on your smartphone mapping system. Between Clayton, New Mexico and Boise City, Oklahoma, turn off Highway 412 on either dirt road.
Follow it to the end and walk over a cattle guard. After you visit this marker,
be sure to visit the Northwest Texas Corner Marker which is two miles to the west.