Guadalupe Mountains National Park

Listen first. Out here the wind is often the loudest thing for miles. It comes down off the high ridges and pushes through the desert scrub, rattling the dry leaves of the sotol and the yucca. The air smells of dust and creosote. Underfoot, the ground is loose limestone, pale and sharp-edged. And above you, rising out of the Chihuahuan Desert like the prow of a ship, stands a wall of rock that does not quite belong to this dry country.

That wall is the reason this park exists. You are in the far west of Texas, close to the New Mexico border, in Guadalupe Mountains National Park. It is one of the quieter national parks in the United States. There are no grand scenic drives through its heart, and much of the land can only be reached on foot. Many travellers pass by on the highway without stopping. Those who do stop find a landscape that rewards patience.

Here is the first surprise. These mountains were once underwater. Roughly 260 million years ago, during the Permian period, a warm inland sea covered this region. Geologists call it the Delaware Basin. Along its edge, sponges, algae and countless small sea creatures built up a massive reef over millions of years. Today that reef is called the Capitan Reef. It is considered one of the finest exposed examples of an ancient fossil reef anywhere on Earth.

Long after the sea dried up, the reef was buried under layers of sediment. Then, much later, the land was pushed upward by movements deep in the Earth's crust. Wind and water slowly stripped away the softer rock above. What remained was the hard reef limestone, standing high above the desert floor. So when you look at these cliffs, you are looking at the bones of a sea. Fossils still sit in the rock along many of the trails.

The most recognisable shape in the park is El Capitan. It is the sheer cliff face at the southern tip of the range. For travellers crossing this desert, it worked as a landmark for a very long time. You can see it from many kilometres away, a pale block that catches the light. At sunrise and sunset its face often turns gold, then orange, then a soft rose. Behind it rises an even higher summit.

That summit is Guadalupe Peak — the highest point in Texas. It stands at 8,751 feet, or about 2,667 metres above sea level. A well-made trail climbs to the top. It is a long and steep day hike, roughly eight and a half miles there and back, with about three thousand feet of climbing. The views from the top stretch across the salt flats and desert in every direction. On a clear day the horizon seems endless.

At the summit, hikers find something unexpected — a stainless steel pyramid. American Airlines placed it there in 1958. It honours the Butterfield Overland Mail, a stagecoach line that carried mail and passengers across the American Southwest in the late 1850s. One face of the pyramid carries the airline's logo. Another carries a symbol for the stagecoach company. It is a strange and charming object to find on a mountaintop, shining in the high sun.

That stagecoach route passed right below these mountains. Near the main visitor centre at Pine Springs, you can walk a short path to the ruins of the Pinery station. It was a stop where coaches changed horses and travellers could rest. Today only low stone walls remain. But standing there, you can picture the dust of an arriving coach, and the relief of passengers reaching water in this dry land.

Long before the stagecoaches, this was the homeland of the Mescalero Apache. They hunted in these canyons and gathered plants from the slopes. One important food was the agave. Its heart was roasted for days in large pits lined with stones. Traces of these roasting pits can still be found in the region. Later, ranchers arrived, and the historic Frijole Ranch house still stands near a spring, shaded by trees. Water shaped every chapter of human life here.

Now for the second surprise. Hidden inside these mountains are forests. As you climb, the desert gives way to oak, juniper and then tall pines and Douglas fir. Deep in McKittrick Canyon, a stream runs through a narrow valley lined with maples. In autumn, those bigtooth maples turn bright red and orange. Many people do not expect fall colours in the Texas desert. The canyon draws hikers every year for exactly this reason.

Much of McKittrick Canyon was protected thanks to a geologist named Wallace Pratt. He worked in the oil industry and loved this canyon deeply. He built a stone cabin there and later donated his land to the government. That gift helped lead to the creation of the park, which was formally established in 1972. His cabin still stands along the canyon trail, a quiet stone building surrounded by trees and the sound of moving water.

On the far western side of the park lies a very different world. There, white gypsum and red quartz sand dunes rise from the Salt Basin. They are far from the main visitor area and take real effort to reach. At night, the whole park becomes very dark. Far from city lights, the sky fills with stars, and the Milky Way often stretches clearly from one horizon to the other. The silence at night can feel almost physical.

So take a moment before you move on. Look up at the pale cliffs and remember the warm sea that built them, grain by grain. Notice the wind again, and the way the light changes on the rock as the clouds pass. Look closely at the stones by your feet — some of them may hold the shapes of ancient sea life. As you walk away, carry that small thought with you: in this desert, you have just stood on the floor of an ocean.