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Flowy technical downhill with amazing views.


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Map Key

18.7

Miles

30.1

KM

50%

Singletrack

9,876' 3,010 m

High

7,296' 2,224 m

Low

3,040' 927 m

Up

3,026' 922 m

Down

6%

Avg Grade (4°)

41%

Max Grade (22°)

Dogs No Dogs

E-Bikes Not Allowed

Features Views

Typically clear of snow from late June to late October.

Overview

This is an alternative option to taking Wasatch Crest down into Mill Creek Canyon (famous shuttled ride). Since Mill Creek Canyon is only open to bikes on even days, this is a great alternative on odd days, plus you can self shuttle this ride with a reasonable eight-mile climb up Big Cottonwood Canyon and Guardsman Pass roads.

Need to Know

The best time to ride this route is on weekdays and odd-numbered days because you'll encounter fewer mountain bikers (shuttling the famous Wasatch Crest trail) and most importantly hikers. Mill D is a well-known MTB trail but it is also used heavily by hikers.

If you do ride on the weekend, just be prepared to slow down a bit for hikers.

Description

Park at the Mill D trailhead, which is almost exactly 10 miles up Big Cottonwood Canyon. There is plenty of available parking. Climb on your bike and climb eight miles up to the top of Guardsman Pass. You'll climb about 1,700 feet in eight miles (you need to turn left onto Guardsman Pass Road just past the fire station on the right hand side of the road).

Once at the top of Guardsman Pass, the trail is well marked and traveled. You'll follow the singletrack until you reach Puke Hill and then climb Puke Hill, staying on the doubletrack until it turns back into singletrack. Once you clear the spine (short double-black diamond section), you'll look for your first lefthand turn (a couple hundred yards at most after the spine).

This left will take you down to Desolation Lake (worth stopping for a picture) and then just beyond Desolation Lake the singletrack turns into the Mill D Trail. This trail is black diamond because of rocks and roots but 100% ride-able and one of the funnest downhill trails Salt Lake City has to offer. The trail will drop you back at your vehicle.

Shared By:

darin vandecar with improvements by Kendrick Taylor

Trail Ratings

  4.9 from 9 votes

#932

Overall
  4.9 from 9 votes
5 Star
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4 Star
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Recommended Route Rankings

#68

in Utah

#932

Overall
13 Views Last Month
4,481 Since Aug 30, 2020
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Photos

Near the top of the Wasatch Crest Trail, looking down into Big Cottonwood Canyon.
Sep 4, 2016 near Park City, UT
Beginning one of the many descents on the Wasatch Crest Trail with Solitude Ski Area in the background.
Sep 4, 2016 near Park City, UT
Flowy singletrack, what is not to like?
Oct 12, 2016 near Snyderv…, UT
The balancing act on top of the spine section of the Wasatch Crest Trail. Photo by Mike Swim // mikezswim.com
Jun 13, 2018 near Snyderv…, UT
The Spine
Sep 4, 2024 near Brighton, UT
The Spine Drop-in and Mill D and Desolation Lake.
Sep 4, 2024 near Brighton, UT

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Jul 7, 2024
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Jul 30, 2021
Ben Justice
AM Overcast — 11h 05m
Sep 25, 2020
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