Petrified Sand Dunes, Ancient petroglyph site near petrified sand dunes in Snow Canyon State Park, Washington County, United States.
The Petrified Sand Dunes consist of hardened sandstone formations that rise steeply within a canyon, colored in shades of dark red and orange. The visible layers in the rock show how ancient sand transformed into solid stone over time.
This formation developed millions of years ago when ancient sand layers became stone through pressure and mineral buildup. Later, erosion and shifting ground shaped the canyon landscape visible today.
The rock walls display carvings made by indigenous peoples who lived in this region, with symbols and images that tell their stories. Walking through the canyon, you encounter these marks directly and sense the presence of those who came before.
The trail through the formation is roughly 1 kilometer long and straightforward to follow, with room to explore along the way. Parking and restroom facilities are located at the trailhead for convenient access.
Visitors can walk freely across the rock surfaces and touch the petrified sand directly, offering direct contact with the geological history. This open exploration style differs from many other attractions where paths are strictly defined.
Location: Washington County
GPS coordinates: 37.21369,-113.64544
Latest update: December 6, 2025 19:09
Utah preserves thousands of years of human history alongside some of North America's most varied geological landscapes. The region contains extensive rock art panels and Ancestral Pueblo ruins, including the 13th-century stone structures at Bears Ears National Monument and the 650-plus petroglyphs carved into Newspaper Rock over two millennia. Fremont Indian State Park displays more than 1,000 artifacts from the indigenous peoples who inhabited these lands, while fossilized dinosaur tracks near Moab record the passage of Allosaurus and Diplodocus across ancient mudflats 150 million years ago. The natural environment ranges from the sculpted sandstone formations of Goblin Valley, where erosion has created mushroom-shaped rocks rising 20 feet (6 meters) from the desert floor, to the narrow passages of Kanarra Creek Canyon with its red walls and cascading waterfalls. The Wedge Overlook reveals 1,000-foot (300-meter) cliffs above the San Rafael River, while Monroe's thermal springs emerge from the ground at 110°F (43°C). Whether exploring slot canyons, examining ancient handprints on rock walls, or walking among eroded sandstone formations, visitors encounter landscapes that document both geological processes spanning millions of years and the enduring presence of human cultures in this high desert region.
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