Permian Reef Trail

Permian Reef Trail

Trails
Last Updated: July 2026

Distance

4 mi

Elevation Gain

2,000 ft

Est. Time

5-7 hours (longer if you're unfit or stop frequently)

Route Type

Out-and-back

Dogs Allowed

No

Best Season

Winter, Spring, Fall

Overview

About This Trail

This is a strenuous, exposed slog. The Permian Reef Trail climbs 2,000 feet over 4 miles on loose rocky terrain, with full-sun exposure all day on a south-facing slope. The payoff: sweeping views of South McKittrick Canyon, ancient Permian reef geology, and the rarest commodity in the park—solitude. Only attempt if you're fit and respect the heat; the gate closes at 5 PM sharp.

Highlights

Difficulty Level

Strenuous lung-buster

Trail Highlights

Sweeping views into South McKittrick Canyon, ancient Permian reef formations (250+ million years old), solitude (least-used trail in the park)

Insider Tips

• The McKittrick Canyon gate closes at 5 PM sharp—be back by then or face a lockout.\n• The 'easy' 4-mile summit is deceptive; the scrambling and exposure are harder than stats suggest.\n• A geological guidebook sold at the visitor center explains Permian features along the route—invaluable for understanding what you're seeing.\n• Trekking poles are non-negotiable; rent or buy before arriving.

Best Season to Hike

Winter, Spring, Fall

Hiking Tips

  • Trekking poles are mandatory; the loose rocky descent will destroy your knees without them.\n
  • Bring 2-3 liters of water; no refill sources exist.\n
  • Start by 6 AM; the gate closes at 5 PM sharp.\n
  • Wear long pants and a hat; sun and sharp rocks punish exposed skin.\n
  • Bring a detailed map and whistle for safety.\n
  • Check the geological guidebook at the visitor center to identify Permian features.

Family Info

The 5-7 hour duration, steep gain, and exposed terrain make this unsuitable for young children. Older kids (10+) with excellent fitness and backpacking experience might manage with adult support, but the heat and technical terrain are serious concerns.

What Hikers Say

Hikers praise the profound solitude (fewest visitors in the park) and dramatic Permian geology, but many underestimate the relentless 2,000ft grind and full-sun exposure. Those who summit report it as worth the suffering.

ℹ️ Data Sources

Information is compiled from official sources, verified traveler reviews, and editorial research. Learn how YourNPGuide works →