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dblack Warner Lake Mann's Peak Loop with Jackass Pass

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17.5 mile 28.2 kilometer loop
78% Runnable
Extremely Difficult


Ascent: 4,196' 1,279 m
Descent: -4,195' -1,279 m
High: 12,043' 3,671 m
Low: 8,717' 2,657 m


Avg Grade: 9% (5°)
Max Grade: 41% (22°)


No Dogs
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Trail shared by Victor Mariano

A high altitude loop in the heart of the La Sal Mountains.

Victor Mariano

Features Fall Colors · Lake · River/Creek · Spring · Views · Wildflowers · Wildlife

Always check in with the Manti - La Sal National Forest Service before traveling into the mountains.


You'll experience several high elevation climate zones on this amazing loop around Haystack Mountain that includes a steep climb to the top of 12,272 ft. Manns Peak.

Need to Know

Weather conditions can change quickly in the mountains. Summer thunderstorms can flare up in minutes with high winds, rain, and lightning. Fall can see snow and cold.

Runner Notes

There is water along the route but you would need to have a LifeStraw or a way to purify water.


This run begins near Warner Lake on the Boren Basin Trail and proceeds to Geyser Pass Rd. Then head back on the singletrack Clark Lake Trail to Moonlight Meadows.

From there, you'll get to run on a section of the Whole Enchilada (popular for mountain bikes) and Burro Pass Trail. Once you reach Burro Pass, you'll begin the ascent to the top of Mann's Peak on Manns Peak Trail #110. The trail is easy to follow for about a mile but then becomes more difficult to see at times because you'll be above tree line in the rock "scree". There are some cairns to follow and rock steps have been built to guide you along the way.

Once at the top of the peak, be sure to take a minute to enjoy the 360-degree views. At the peak, there is a severe drop off on the back side. Head west and stay on the ridgeline running down to a "Y" intersection with Warner Lake - Beaver Basin Trail. This is also known locally as Jackass Pass. Take a left at the "Y" onto Warner Lake - Beaver Basin Trail back to Burro Pass Trail #315, which will loop you back to where you started.

Flora & Fauna

Large groves of aspen trees. Wildflowers abound in the summer, and fall colors are amazing. You might see mule deer, elk, black bear as well as smaller game. There are some ospreys in the area as well.

History & Background

The La Sal mountains and surrounding areas are rich in historical significance. There are amazing geologic formations, dinosaur fossils, cave and rock drawings, and remnants of the American settlers to the region. Search Emery County, Utah for more information.


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