The Sego Canyon Rock Art Site (located just north of Interstate 70 near Thompson Springs, Utah) is one of the most unique and heavily studied archaeological locations in the American Southwest. Often described as an outdoor timeline or gallery, the canyon walls feature distinct, overlapping works created by three completely separate cultures spanning several thousand years.
The site is broken down into three main artistic styles:
1. The Barrier Canyon Style (Pictographs - Painted)
Time Period: Roughly 6,000 B.C. to 100 B.C. (Archaic hunter-gatherers)
The Look: These are the oldest images on the walls and arguably the most striking. They are pictographs (painted onto the rock using red ochre and other natural earth pigments) rather than carved. They feature large, eerie, "ghost-like" anthropomorphic (human-like) figures.
Key Features: The figures are often life-sized or larger, completely limbless or lacking arms/legs, and possess haunting, hollowed-out or "bug-eyed" empty eyes. Some figures display antennae, elaborate headdresses, or hold snakes and ceremonial staffs. Because of their strange, otherworldly appearance, they have been the subject of intense speculation and fascination.
2. The Fremont Culture (Petroglyphs - Carved/Pecked)
Time Period: Roughly A.D. 600 to A.D. 1250
The Look: The Fremont were a pre-Columbian, maize-cultivating agricultural people contemporary with the Ancestral Puebloans (Anasazi) of the Four Corners region. Their artwork is pecked or carved deeply into the sandstone.
Key Features: Fremont panels typically feature trapezoidal-bodied human figures, often decorated with intricate geometric necklaces, waistbands, earrings, and square-shaped shoulders. You will also see depictions of bighorn sheep, animals, and abstract symbols. In many spots, Fremont carvings are visibly superimposed directly over the older, painted Barrier Canyon figures, providing clear archaeological evidence of which came first.
3. The Ute Culture (Petroglyphs - Carved/Pecked)
Time Period: A.D. 1300 to the historic era
The Look: Representing the more recent Indigenous inhabitants of the area, the Ute panels introduced major historical shifts into the canyon’s visual record.
Key Features: Ute petroglyphs frequently depict figures riding horses (signaling the post-Spanish introduction of horses to the region in the 1500s), elaborate hunting scenes, shields, and warrior motifs.