Legend Rock State Archaeological Site
🏆 Wyoming’s 10,000-Year-Old Rock Art Gallery — 300+ Ancient Petroglyphs on a Sandstone Cliff — Updated for 2026 with access info, permits, viewing tips, and seasonal guide
Ten thousand years of human expression carved into a 1,300-foot sandstone cliff in the high desert of central Wyoming. Over 300 petroglyph figures across 92 rock panels — humans with elaborate headdresses, bighorn sheep, elk, buffalo, birds, and abstract shapes that archaeologists believe represent shamanic visions and spiritual rituals. This is Legend Rock State Archaeological Site, one of the largest and most accessible rock art sites in the United States, and a place where the deep past speaks directly from stone.
Located 29 miles northwest of Thermopolis in the Bighorn Basin, Legend Rock is part of the “Dinwoody tradition” — a rock art style unique to central Wyoming, characterized by large, elaborate, and often abstract human-like figures far more complex than the simple stick figures found at most petroglyph sites. Listed on the National Register of Historic Places since 1973, Legend Rock offers free admission, an interpretive trail, and a connection to Wyoming’s prehistoric past that few places can match.
What Makes Legend Rock Extraordinary
10,000 Years Old
Some petroglyphs date back 10,000 years — among the oldest rock art in North America.
300+ Figures
Over 300 individual petroglyph figures across 92 sandstone panels on a 1,300-foot cliff face.
Dinwoody Tradition
Unique to central Wyoming — elaborate anthropomorphic figures with headdresses and body decorations.
Free Admission
No entry fee. Permit and key required Oct–Apr. Open sunrise to sunset year-round.
The Rock Art
The petroglyphs at Legend Rock span thousands of years and multiple cultural periods. The images include:
- 👤 Anthropomorphic figures: Large, elaborate human-like shapes with intricate body decorations, headdresses, and abstract features
- 🐏 Animals: Bighorn sheep, elk, deer, buffalo, horses, birds, and canids
- 🌀 Abstract designs: Geometric shapes, lines, and symbols believed connected to spiritual practices
- ⚛️ Shamanic imagery: Many figures appear connected to vision quests and spiritual rituals rather than daily life
📢 Access Information
• May–September: Open 8 AM – 6 PM. No key required • October–April: Key and permit required. Obtain at Thermopolis Chamber of Commerce, Hot Springs State Park Bath House, or Hot Springs County Museum • ID Required: Photo ID needed for permit • Admission: FREE • Free Tours: Schedule through Hot Springs State Park Office at (307) 864-2176 (one week notice)
Visitor Tips
- 🔭 Bring binoculars — many petroglyphs are high on the cliff face and details emerge with magnification
- 📸 Photography: Best in early morning or late afternoon light when shadows define the carvings. Overcast days also work well
- 🚫 Do NOT touch the petroglyphs — oils from hands cause damage over thousands of years of accumulation
- 💧 Bring water — no drinking water available on-site. High desert environment
- 🔒 Lock the gate when entering and exiting (Oct–Apr). Drop key in designated location
- 📵 No cell service at the site — plan accordingly
When to Visit: Seasonal Guide
| Season | Months | Weather | Best For |
|---|---|---|---|
| ☀️ Summer | Jun–Aug | 80-95°F | 🏆 No key required. Visitor center open. Best access. Bring sun protection |
| 🍂 Fall | Sep–Oct | 50-70°F | 🏆 Beautiful light for photography. Cooler temps. Key needed after Oct 1 |
| 🌸 Spring | Apr–May | 45-65°F | Key needed until May. Cool but pleasant. Wildflowers in basin |
| ❄️ Winter | Nov–Mar | 10-40°F | Key required. Road may be impassable in snow. Check conditions first |
Budget Calculator
| Expense | Amount | Notes |
|---|---|---|
| Admission | FREE | No entry fee |
| Permit/Key | FREE | Photo ID required Oct–Apr |
| Guided Tour | FREE | Schedule with 1 week notice |
| Total | FREE | One of Wyoming’s greatest free attractions |
Frequently Asked Questions
How old are the petroglyphs?
The oldest date back ~10,000 years. The site was used continuously by prehistoric peoples over thousands of years, with newer carvings overlapping older ones.
What is the Dinwoody tradition?
A rock art style unique to central Wyoming — characterized by large, elaborate, often abstract anthropomorphic figures with detailed body decorations and headdresses. Far more complex than typical petroglyph sites.
Do I need a key?
May–September: No key needed. October–April: Key and permit required from the Thermopolis Chamber of Commerce or Hot Springs State Park.
How long should I plan?
Allow 1-2 hours to walk the interpretive trail and view the panels. Bring binoculars for the higher panels.
Is it wheelchair accessible?
Yes — the site has an accessible interpretive trail.
🪨 10,000 Years, Written in Stone
Stand at the base of this sandstone cliff and you’re looking at a conversation that started ten thousand years ago and hasn’t stopped. Shamans carved their visions here. Hunters marked the animals that fed their families. And unknown artists created figures so elaborate, so otherworldly, that archaeologists still debate their meaning. Legend Rock is one of those rare places where the deep past rises to the surface and demands your attention. It’s free, it’s quiet, it’s in the middle of Wyoming’s Bighorn Basin, and it’ll change how you think about the people who walked this land before anyone wrote anything down.
📍 Location: 29 miles NW of Thermopolis, WY
📞 Phone: (307) 864-2176
