El Camino Real de los Tejas

The El Camino Real de los Tejas National Historic Trail is a National Historic Trail covering the U.S. section of the El Camino Real de Los Tejas from 17th-century Spanish colonial era in Spanish Texas. The National Park Service designated the El Camino Real de los Tejas National Historic Trail as a unit in the National Historic Trail system in 2004. The modern highways Texas 21 (along with Texas OSR) and Louisiana 6 roughly follow the original route of the trail.