Best natural monuments in Doña Ana County showcase diverse natural landscapes, including mountain ranges, desert basins, and unique geological formations. The region is characterized by its Chihuahuan Desert environment and significant paleontological and archaeological sites. These areas offer varied terrain for outdoor exploration and insights into ancient history.
Last updated: April 25, 2026
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The trackways have a truly spectacular array of fossils from plants and animals of the Paleozoic Era (the geologic era immediately before the Mesozoic Era, or the age of the dinosaurs). There are many trails to explore. Keep an eye out for leaf fossils (cordaites) and the tracks of Permian synapsids (proto-mammals).
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From the summit you can see far into Mexico, and across El Paso and southern New Mexico. The giant historic statue of Christ at the summit is both a scenic and spiritual destination.
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Sierra Del Cristo Rey translates to "Mountain of Christ the King". It is a peak right on the border of Texas, New Mexico, and Mexico.
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Kilbourne Hole is a maar volcano, which is a volcanic crater created when groundwater and magma trigger an explosion of steam and gas to create a large, relatively shallow crater. Oftentimes these craters later become lakes. The crater is over a mile wide in all directions and many tens of thousands of years old, though its exact age is unknown. Hunt's Hole, which is two miles south of here, is a smaller example of the same phenomenon.
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The stone walls on either side get higher and higher as you hike further into the slot canyon. The path is narrow but never difficult to squeeze through, most of it is at least 4-5 feet wide.
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Sierra Del Cristo Rey translates to "Mountain of Christ the King". It is a peak right on the border of Texas, New Mexico, and Mexico. There is a cool statue at the top and view all along the trail. This one is smooth enough to really push the pace on the uphill and the downhill.
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Sierra Del Cristo Rey translates to "Mountain of Christ the King". It is a peak right on the border of Texas, New Mexico, and Mexico. There is a cool statue at the top and view all along the trail. This one is smooth enough to really push the pace on the uphill and the downhill.
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Lake Lucero is a dried lakebed most of the year, but it fills with water after rainfall or snowmelt. 12,000 years ago there White Sands National Park was covered by Lake Otero, which evaporated and left behind selenite crystals. The erosion of these crystals created the white gypsum sand of the dunes. At Lake Lucero, this process is still visible and hikers will find crystals over a foot long arranged in large formations.
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Doña Ana County offers several remarkable natural monuments. Visitors often enjoy the unique geological formations of Slot canyon, the ancient fossilized footprints at Prehistoric Trackways National Monument, and the dramatic volcanic crater of Kilbourne Hole. The expansive Organ Mountains-Desert Peaks National Monument also offers diverse landscapes and activities.
You'll find a wide array of geological features. The region is known for its dramatic mountain ranges like the Organ Mountains, deep canyons such as Slot canyon, and unique volcanic formations like Kilbourne Hole, a maar volcano. You can also observe the process of gypsum crystal formation at Lake Lucero.
Yes, the natural monuments are rich in history. The Organ Mountains-Desert Peaks National Monument contains over 22 miles of the historic Butterfield Stagecoach Trail, sites associated with figures like Billy the Kid and Geronimo, and numerous Native American archaeological sites with petroglyphs. Additionally, Mount Cristo Rey features a significant historic statue at its summit.
The Prehistoric Trackways National Monument preserves one of the world's most significant Early Permian megatracksites. It features extensive fossilized footprints of amphibians, reptiles, insects, and plants dating back approximately 280 million years, long before the age of dinosaurs. It offers a rare glimpse into ancient animal behaviors and environments.
The natural monuments in Doña Ana County are excellent for outdoor enthusiasts. You can enjoy hiking, camping, horseback riding, mountain biking, and wildlife viewing, particularly within the Organ Mountains-Desert Peaks National Monument. For specific routes, you can explore options for road cycling, mountain biking, and general cycling in the area.
Many areas within the natural monuments can be enjoyed by families. The Dripping Springs Natural Area, on the western side of the Organ Mountains, has a visitor center and interpretive displays which can be a good starting point. While some trails are rugged, there are often easier, informal trails suitable for shorter walks, such as those found at Prehistoric Trackways National Monument.
The best time to visit is typically during the cooler months, from late fall through early spring (October to April), when temperatures are more moderate for outdoor activities like hiking and exploring. Summers can be very hot in the Chihuahuan Desert.
Kilbourne Hole is a unique maar volcanic crater, approximately 1.7 miles long and hundreds of feet deep. It's known for mantle xenoliths and olivine glass granules. Its remote location makes it ideal for stargazing, and it was famously used as a training site for Apollo astronauts. Be prepared for a rugged, remote desert environment.
Yes, hiking is a primary activity. The Organ Mountains-Desert Peaks National Monument offers numerous trails across its various ranges. At Prehistoric Trackways National Monument, you can hike informal trails to view fossilized footprints. Even at Kilbourne Hole, visitors can hike around the crater. Always check trail conditions and difficulty before heading out.
The Chihuahuan Desert environment of Doña Ana County's natural monuments supports diverse wildlife. You might spot various desert birds, reptiles like lizards and snakes, and mammals such as jackrabbits, coyotes, and deer. Always observe wildlife from a distance and avoid disturbing their natural habitats.
Within the Organ Mountains-Desert Peaks National Monument, the Dripping Springs Natural Area offers a visitor center with interpretive displays. For other monuments, facilities may be more limited, so it's advisable to carry your own water and supplies, especially in remote areas.
Mount Cristo Rey is a significant summit located on the border of Texas, New Mexico, and Mexico. It is known for its giant historic statue of Christ at the summit, making it both a scenic and spiritual destination. From the top, you can enjoy expansive views into Mexico, El Paso, and southern New Mexico.


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