Guadalupe Mountains National Park is located in western Texas near the border of New Mexico. This federal land protects the most extensive Permian fossil reef in the world. It also features the four highest peaks in Texas, a diverse collection of flora and fauna, and a history that was shaped through conflict, cooperation and survival. Experience the mountains and canyons, desert and dunes, night skies and spectacular vistas within a place unlike any other within the National Park Service. This is the largest wilderness area in Texas, and it is perfect for avid hikers and backpackers.