Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Routes
Hiking trails & Routes
Garfield County

Boulder Mail Trail

Hard

5.0

(2)

8

hikers

Boulder Mail Trail

05:35

18.3km

600m

Hiking

The Boulder Mail Trail is a demanding hike that plunges you into the heart of Utah's canyon country, offering a truly immersive wilderness experience. You'll navigate diverse terrain, from sandy washes and expansive slickrock guided by cairns to the lush, water-filled depths of Death Hollow Creek, known for its towering cliffs and unique geological features. This route is a journey through history and raw natural beauty, perfect for those who appreciate rugged landscapes and a sense of isolation.

This difficult 11.4-mile (18.3 km) trail, with its 1979 feet (603 metres) of elevation gain, typically takes around 5 hours and 35 minutes to complete. It's a challenging point-to-point route, so plan for shuttle logistics or an out-and-back option. Permits are essential for any overnight stays, and due to the remote nature and route-finding challenges, carrying a topographic map and GPS is highly advisable. Consider visiting in spring or fall to avoid the intense summer heat.

Beyond its natural splendor, the Boulder Mail Trail holds significant historical value as an original mail route established in 1902, connecting isolated towns. You can even spot remnants of the old telegraph line strung through trees, adding a unique layer to your adventure. This trail is a testament to both human tenacity and the enduring wildness of the Grand Staircase-Escalante National Monument, making it a top choice for experienced hikers seeking a blend of history and adventure.

Last updated: June 9, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Phipps-Death Hollow Outstanding Natural Area

Waypoints

A

Start point

Get Directions

1

2.32 km

Boulder Main Trail

Highlight (Segment) • Trail

The Boulder Mail Trail follows the historic mail and telegraph route between Boulder and Escalante, passing through canyons like Sand Creek, Death Hollow, and Mamie Creek. Hikers can find filterable water in Sand Creek, Death Hollow, Mamie Creek, and occasionally in pools on Antone Flat. Poison ivy is common in some areas, and summer temperatures can get high, making spring, fall, and winter the best seasons for hiking this trail, as long as there is also no snow on the ground.

Tip by

2

9.14 km

Death Hollow Creek

Highlight • Canyon

Death Hollow Creek spans over 20 miles, offering scenic canyons and expansive rock slabs. It is one of the Escalante River's longest tributaries through the Navajo sandstone canyon with pools, and small waterfalls The creek begins at 9,000 feet on Boulder Mountain's forested slopes, then descends steeply and levels out before merging with the Escalante River at 5,400 feet.

Tip by

B

18.3 km

End point

Loading

Way Types & Surfaces

Way Types

18.3 km

Surfaces

18.2 km

159 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,070 m)

Lowest point (1,780 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Monday 6 July

33°C

19°C

-- %

Additional weather tips

Max wind speed: -- km/h

to get more detailed weather forecasts along your route

Comments

guide_signup

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Report restricted access

Frequently Asked Questions

How long does it typically take to hike the Boulder Mail Trail?

While a very fit individual might complete it as a long day hike (6-9+ hours), the Boulder Mail Trail is often recommended as an overnight or two-night backpacking trip. This allows for thorough exploration of its diverse terrain and scenic highlights, especially the dramatic Death Hollow Creek canyon.

What is the terrain like on this trail?

The trail offers a varied and demanding landscape. You'll start through juniper forests and cedar flats, transitioning to vast expanses of slickrock (Navajo sandstone) where navigation relies on cairns. It involves significant elevation changes, with descents into and arduous climbs out of canyons like Sand Creek, Death Hollow Creek, and Mamie Creek. Expect to walk in the streambed in Death Hollow, meaning wet feet and potentially mid-thigh deep water. There are also sandy washes and steep switchbacks.

What are the main scenic highlights along the route?

The trail boasts stunning and diverse scenery. You'll encounter arid desert, lush riparian zones, ancient rock formations, and vibrantly colored cliffs. A major highlight is Death Hollow Creek, known for its towering Navajo cliffs, white slickrock domes, waterfalls, deep pools, and intriguing alcoves. Mamie Creek also offers excellent campsites and pools. From higher plateaus, you'll get panoramic slickrock views and expansive outlooks of the Escalante valley.

Are permits required to hike the Boulder Mail Trail?

Yes, permits are required for overnight backpacking trips in Grand Staircase-Escalante National Monument, which includes the Boulder Mail Trail. Day use typically does not require a permit, but it's always best to check the latest regulations with the BLM or local visitor centers before your trip. You can find more information on the Visit Utah website.

Where can I park to access the Boulder Mail Trail?

The Boulder Mail Trail has trailheads at both ends. The western trailhead is typically accessed from near Escalante, and the eastern trailhead is closer to Boulder, Utah. Specific parking areas are usually well-marked at these access points. Given its remote nature, there are no shuttle services, so planning for vehicle retrieval or a car shuttle is essential for point-to-point hikes.

When is the best time of year to hike this trail?

Spring (April-May) and Fall (September-October) are generally the best times to hike the Boulder Mail Trail. Temperatures are more moderate, making the strenuous sections more manageable. Summer can be extremely hot, and winter can bring snow and ice, making conditions more challenging, especially in the canyons.

Is the Boulder Mail Trail dog-friendly?

Regulations regarding dogs in Grand Staircase-Escalante National Monument can vary. While dogs are generally allowed on trails, they must be kept on a leash. Always practice Leave No Trace principles, including packing out all pet waste. Be aware of the challenging terrain, potential for deep water, and presence of poison ivy, which could be difficult for pets.

What specific challenges or hazards should I be aware of on this trail?

This trail is considered difficult. Key challenges include significant elevation changes, route-finding on slickrock sections (though cairns help), exposure to steep cliffs, and walking in the streambed of Death Hollow Creek, which means wet feet and potentially cold, mid-thigh deep water. A significant hazard is the widespread presence of poison ivy in Death Hollow, so protective clothing is highly recommended.

Can I backpack the Boulder Mail Trail, and what should I know?

Yes, it's a popular and highly recommended backpacking route, often done as an overnight or two-night trip. You'll need a permit for overnight stays. Be prepared for self-sufficiency, as water sources are limited and require filtration. Pack appropriate gear for varied terrain, including water shoes for stream crossings, and be mindful of the poison ivy in Death Hollow. Good navigational skills are crucial.

Are there any specific regulations or fees for hiking in Grand Staircase-Escalante National Monument?

Grand Staircase-Escalante National Monument does not typically have entrance fees. However, as mentioned, permits are required for overnight backpacking trips. Always adhere to Leave No Trace principles, including packing out all trash, staying on marked trails (where applicable), and respecting wildlife. Check with the BLM for any current fire restrictions or specific area closures before your visit.

Is water available along the trail?

While you will be walking through Death Hollow Creek, and other creeks like Mamie Creek, any water found in these sources must be filtered or treated before consumption. There are no reliable sources of potable water along the trail, so hikers should carry sufficient water for their entire trip or be prepared to filter from natural sources.

Nearby routes

Easy

5.0

87

Lower Calf Creek Falls Trail

01:15h

4.60km

30m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy