Best natural monuments in Uintah County showcase a diverse landscape featuring unique geological formations and significant paleontological sites. The region offers a blend of high desert and forested mountains, providing varied natural attractions. Visitors can explore areas rich in dinosaur fossils, ancient rock art, and dramatic canyons. These natural features contribute to the area's distinct character and offer opportunities for exploration.
Last updated: April 28, 2026
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At the Swelter Shelter site, you can explore a large number of different petroglyphs (carvings) and pictograms (paintings) on the surrounding rock walls. The hike to the site is just a 400 feet roundtrip from Cub Creek Road. The rock art was created by the ancestral indigenous people of the region, but the Swelter Shelter has been used by older cultures dating to as early as 7000 BCE.
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Split Mountain Campground is one of two established campground on the Utah side of Dinosaur National Monument. It is located at the shore of the Green River and sites are equipped with picnic benches and fire pits. At the northern side of the campground, you will find the trailhead for the Desert Voices Trail that loops into the backcountry with great views of geological features and Split Mountain.
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The 0.25-mile (out and back) Box Canyon Trail leads into a shady box canyon that's great for exploring with the kids, especially on hot summer days. Here you'll find great views of the rugged Weber Sandstone of Split Mountain. Josie Morris, whose cabin is located at the trailhead, used to herd her cattle in Box Canyon. Remember to stay on the trails at all times as there is poison ivy in the canyon.
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The lizard petroglyph is one of the most prominent relics of rock art in Dinosaur National Monument. It was carved by the Fremont people who lived in the Cub Creek area about 1,000 years ago. The true meaning of the animal-shaped carvings is not known.
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The Desert Voices Trail is a 1.7-mile roundtrip that takes you into the backcountry of Dinosaur National Monument. It provides you with stunning views of Split Mountain and geological features. Along the way, you will find signs with information about the geology and ecology of the area. If you like, you can extend your hike by taking the connector trail to the Sound of Silence Trail.
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The Fossil Discovery Trail starts at the Quarry Exhibit and ends down at the Quarry Visitor Center. Over 1.2 miles (one way) it takes you to different formations that are exposed in rock layers where you can find dinosaur bones and other fossils from the Jurassic to Cretaceous era. To get to this trailhead, you can take the shuttle from the Visitor Center instead of hiking both directions.
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The Quarry Exhibit is without a question THE place to visit when you are in Dinosaur National Monument. Not only will you find a lot of interesting information, you will also discover a huge rock wall containing approximately 1,500 dinosaur bones! There are different species from the Late Jurassic period like Allosaurus, Stegosaurus and Diplodocus. You are even allowed to touch some of the real 150 million year old dinosaur bones. To get to the Quarry Exhibit, you can either take the shuttle from the Visitor Center that leaves on a regular basis or hike the Fossil Discovery Trail. I recommend taking the shuttle up and hiking down the trail.
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The Morrison Formation is part of the Fossil Discovery Trail and probably the most special one: walk up the rocky stairs and examine the cliff wall next to you. Look closely to find some petrified dinosaur bones, big and small. About ten feet above you, you can see eight vertebrae. The cliff is estimated to be about 151 million years old! More than ten species of dinosaurs have been found in the Morrison Formation.
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Uintah County offers a diverse range of geological wonders. You can witness the intricate sandstone formations of Fantasy Canyon, shaped by millions of years of erosion into bizarre figures. The region also features the dramatic red canyon walls of Flaming Gorge National Recreation Area and the ancient pre-Cambrian rock formations of the Uinta Mountains, the only major east-west mountain range in the contiguous U.S.
Uintah County is renowned for its dinosaur discoveries. The Quarry Exhibit Hall at Dinosaur National Monument allows you to view and even touch approximately 1,500 dinosaur bones embedded in a rock wall, including species like Allosaurus and Stegosaurus. You can also explore the Morrison Formation along the Fossil Discovery Trail to find petrified dinosaur bones. For dinosaur tracks, visit Red Fleet State Park, where well-preserved footprints are visible along the reservoir's shoreline.
Yes, several natural monuments in Uintah County are great for families. The Quarry Exhibit Hall is highly engaging for all ages, offering a chance to see real dinosaur bones. Box Canyon Trail is a short, easy walk into a shady canyon, perfect for kids. Moonshine Arch is also easily accessible via a short hike, making it a good option for a quiet family exploration. Red Fleet State Park offers both dinosaur tracks and water activities suitable for families.
Uintah County is rich in historical and archeological sites. Dinosaur National Monument, beyond its paleontological significance, preserves wild landscapes and geological features. You can also find ancient rock art at sites like Swelter Shelter and rock art and Cub Creek Petroglyphs, offering glimpses into the region's past inhabitants. The Lizard Petroglyph is another notable historical site.
For easy hikes, consider the Box Canyon Trail, a short 0.25-mile path. The Desert Voices Trail at Dinosaur National Monument is also family-friendly. Moonshine Arch offers an easy 0.8-mile hike each way. For more options, you can explore various easy routes listed in the Easy hikes in Uintah County guide, such as the McConkie Ranch Petroglyph Trail.
While many trails are accessible, the High Uintas Wilderness within the Uinta Mountains offers extensive opportunities for challenging multi-day backpacking and remote backcountry experiences. These mountains feature high ridges and over a thousand natural lakes, providing a rugged environment for experienced hikers seeking more strenuous adventures.
The best time to visit Uintah County's natural monuments generally depends on your preferred activities. Spring and fall offer pleasant temperatures for hiking and exploring, avoiding the intense heat of summer. Summer is ideal for water-based activities at places like Steinaker State Park and Flaming Gorge. Some facilities, like the Quarry Visitor Center and Quarry Exhibit Hall, are open year-round.
Uintah County provides excellent opportunities for outdoor activities. For mountain biking, you can find trails like the Got Milk and Cookies Loop or the Red Fleet Loop, detailed in the MTB Trails in Uintah County guide. Cycling enthusiasts can explore routes such as the River Trail – Quarry Visitor Center loop, found in the Cycling in Uintah County guide. Many of these routes are close to the region's natural attractions.
Absolutely. Steinaker State Park, centered around Steinaker Reservoir, is perfect for fishing, swimming, boating, and waterskiing. Flaming Gorge National Recreation Area, with its vast reservoir and sections of the Green River, is renowned for world-class fishing, boating, and whitewater rafting through dramatic canyons.
Visitors particularly enjoy the unique blend of paleontological significance and stunning natural beauty. The chance to see real dinosaur bones at the Quarry Exhibit Hall is a major draw. Many appreciate the diverse landscapes, from the high desert formations to the forested Uinta Mountains, offering opportunities for both adventure and serene natural appreciation. The region's rich geological history and ancient rock art also captivate visitors.
Policies for pets vary by specific location within Uintah County's natural monuments. For example, within Dinosaur National Monument, pets are generally allowed on paved roads, in campgrounds, and on some designated trails, but not inside buildings like the Quarry Exhibit Hall or on all hiking trails. It's always best to check the specific regulations for each park or monument you plan to visit to ensure a pet-friendly experience.
While popular sites draw crowds, Fantasy Canyon is often considered a hidden gem due to its otherworldly and intricate sandstone formations that offer a distinct experience for photography and unique geological exploration. Moonshine Arch, with its secluded nature and easy access, also provides a quieter, off-the-beaten-path natural wonder.


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