Located at 3115 NM-161, Watrous, NM 87753, Fort Union National Monument is in northeastern New Mexico at the western edge of the Great Plains, eight miles from Watrous, NM. The park preserves the second of three forts constructed on the site beginning in 1851, as well as the ruins of the third. Also visible is a network of ruts from the Mountain and Cimarron Branches of the old Santa Fe Trail. Pets on a leash no longer the 6 feet are allowed on the trails and within the picnic areas, but are not permitted inside public buildings, such as the Visitor Center, offices, museum and public restrooms.
More information on the Fort Union National Monument pet policy
