Trail

Syncline Trail

Trail
Stacked rocks guide two hikers across sandstone and juniper trees

Syncline Loop is the most challenging trail in Island in the Sky—a strenuous 8.1-mile scramble through boulder fields and canyon switchbacks with 1,516 feet of elevation change. Most park rescues in Canyonlands occur on this trail. Expect steep exposure, loose rock, few trail markers, and miles of loose sand. This is a grit-check for experienced desert hikers only.

Quick facts

Distance Miles
8.1
Route Type
Loop
Difficulty Level
Strenuous
Elevation Gain Feet
1516

Trail profile

Distance Miles
8.1
Route Type
Loop
Difficulty Level
Strenuous
Elevation Gain Feet
1516
Estimated Time
5-7 hours for most hikers; 3-4 hours if very fit and moving fast.
Trail Surface
Loose sand, rocky terrain, boulder fields, uneven stone steps, slickrock sections.
Trail Features
  • Canyon switchbacks
  • Upheaval Dome area
  • Boulder field scrambling
  • Desert vistas
  • Loose sand sections
Trail Highlights
Technical scrambling around Upheaval Dome with dramatic canyon views and a challenging grit test.

Trailhead & access

Trailhead Location
Syncline Trailhead, Island in the Sky district, Canyonlands National Park, Utah
Shuttle Required
0
Shuttle Details
Not required

Permits & conditions

Permit Details
Not required
Fees
$30 — Entrance - Private Vehicle (NPS API, as of 2026-06-12)
Trail Status
Open
Seasonal Closures
Not officially closed, but winter snow/ice creates hazardous conditions. Traction devices recommended December-February.

Facilities & rules

Restrooms At Trailhead
1
Water Sources
None—carry all water. Minimum 1 liter per person per hour for summer; 5-7 liters total for a 5-7 hour hike.
Accessibility
Not wheelchair accessible. Rough, uneven terrain with rocky hills and stone steps. Requires scrambling through boulder fields. Winter may include snow/ice; traction devices recommended.

Safety & strategy

Hazards
  • Scrambling with exposure to drop-offs
  • Boulder field navigation
  • Steep switchbacks
  • Loose sand and rock
  • Dehydration risk
  • Sun/heat exposure
  • Few trail markers
  • Winter snow/ice
Hazard Details
Steep scrambling with canyon exposure near edges. Boulder fields with few trail markers require careful foot placement. Loose sand makes descent treacherous. Severe dehydration risk in summer heat—most park rescues occur on this trail. Winter snow/ice on high sections significantly increase hazard.
Crowd Level
Moderate to light—the strenuous nature and rescue history deter casual hikers.
Peak Crowd Times
Spring and fall weekends; avoid if seeking maximum solitude.
Best Season
Spring (March-May) and fall (September-October)
Best Time To Visit
Start before dawn in spring (March-May) or fall (September-October). Avoid peak summer heat—temperatures exceed 100°F with zero shade. Winter brings snow/ice; only attempt with traction devices and experience.
Tips Advice
  • Carry 1 liter of water per person per hour—zero sources on trail.
  • Wear sturdy, ankle-supporting boots; the terrain is technical.
  • Bring a map and headlamp; trail markers are sparse and easy to miss.
  • Hike clockwise for better afternoon shade on the ascent.
  • Start early to finish before afternoon heat and sun exposure.
  • Trekking poles help with loose sand and descent control.

More details

Park Area
Island in the Sky
Trail Markers
Sparse—few and far between in boulder field sections. Cairns mark some turns but are easy to miss.
Dogs Allowed
No—service animals only
Biking Allowed
No—scrambling and boulder fields prohibit bikes
Shade Level
Full sun for most of the trail; minimal vegetation or natural shade.
Emergency Contacts
Dial 911 in emergencies; cell service may be unreliable. Notify park rangers at Island in the Sky Visitor Center before departing if hiking solo.
Map Recommended
1
Snow Dates
December-February; check conditions with Island in the Sky Visitor Center before winter attempts.
Insider Tips
  • The false summit at mile 4 will tempt you—keep going for real loop completion.
  • Hike clockwise; the initial steep descent is tougher than the gradual sand ascent.
  • The boulder field between miles 3-5 requires problem-solving—no 'right' way through. Stay calm.
  • Bring a headlamp even on day hikes; you may need it if slower than expected.
  • Trail does NOT provide views of Upheaval Dome itself—don't expect that payoff.
Family Friendly Notes
Not recommended for young children or inexperienced hikers. Technical scrambling and exposure require adult supervision and prior hiking experience. Hand-holding mandatory near canyon drop-offs.
Nearby Facilities
Island in the Sky Visitor Center: There's Something in the Air; Island in the Sky (Willow Flat) Campground
Review Summary
Hikers universally report this as Canyonlands' toughest day hike. The combination of scrambling, exposure, sparse markers, and dehydration risk demands respect. Experienced desert hikers praise the technical challenge and solitude; rescues are common among the underprepared.

Location

Frequently asked questions

Is this trail really that dangerous?

Yes. It's the most challenging in Island in the Sky, and most park rescues occur here. Hazards include scrambling with exposure, boulder navigation, loose rock, and severe dehydration risk. It's not a cliff-edge collapse, but it demands respect and preparation.

Can I do this as my first desert hike?

Not recommended. Start with Mesa Arch Trail or Upheaval Dome Overlooks Trail first. Syncline requires experience reading terrain, managing water, and handling exposure. Overconfidence causes rescues.

How much water do I really need?

At least 1 liter per person per hour. For a 5-7 hour hike in summer, bring 5-7 liters minimum. No water sources exist on the trail. Running dry on this terrain is dangerous.

Can I do this in winter?

Only with microspikes or crampons and winter hiking experience. Snow/ice make scrambling and exposure significantly more hazardous. Check conditions at the visitor center before attempting.

Should I go alone?

Not ideal. Hiking with a partner is safer—you have backup if someone gets injured or dehydrated. Cell service is unreliable. Always tell someone where you're going and when you'll return.

What's the best direction—clockwise or counterclockwise?

Clockwise is recommended. The initial steep descent is punishing but gets it out of the way early. You then have better afternoon shade for the gradual ascent through sand sections.

Will I see Upheaval Dome from this trail?

No. This trail loops around Upheaval Dome but does not provide views of the feature itself. For views, hike the Upheaval Dome Overlooks Trail in the Moderate - Mesa Top section instead.

Mesa Arch

0.6-mile loop, 56 ft gain; sun-exposed, crowd-heavy sunrise.

Corona Arch

3-mile out-and-back over slickrock; safety cables and ladder lead to Corona Arch.

Lathrop Trail

Grassland mesa crossing to Colorado River rim views. Moderate 5 miles but brutal sun—1L water per hour mandatory.

Murphy Loop Trail

10.8mi strenuous loop: 1,448ft gain, full sun, rocky terrain. Bring 2L+ water and nerve; Murphy Hogback views reward the pain.

Alcove Spring Trail

Descend 1,300 feet to Moses and Zeus towers. Strenuous 11-miler—bring water and grit.

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Sources

Editorial review: YourNPGuide Editorial Team. Information is compiled from official sources, verified traveler reviews, and editorial research; no firsthand visit is implied unless explicitly documented. Learn how YourNPGuide works.

Last updated June 2026. Report an issue.