This peak is #1 on the Height List for Texas . This peak is #4 in Prominence List for Texas .Guadalupe Peak, the highest mountain in Texas, is the high point of the Guadalupe Mountains, located in the National Park named after the range. It rises as much as 5000 feet above the floor of the nearby Chihuahuan Desert. The west side of the peak is a near-vertical cliff up to 1200 feet high. The peak can be climbed via a maintained trail, 4.2 miles in length.