Guadalupe Mountains National Park is in the Guadalupe Mountains of West Texas and contains Guadalupe Peak, the highest point in Texas at 8,749 feet in elevation. Located east of El Paso, it also contains El Capitan, long used as a landmark by people traveling along the old route later followed by the Butterfield Overland Mail stagecoach line. Visitors can see the ruins of an old stagecoach station near the Pine Springs Visitor Center..Wikipedia .