more stats
3.2 miles
Distance
688 ft
Climb
-797 ft
Descent
01:11:13
Avg time
-109 ft
Altitude change
919 ft
Altitude min
1,558 ft
Altitude max
1,554 ft
Altitude start
1,447 ft
Altitude end
-0.7%
Grade
-37.4%
Grade max
44.9%
Grade min
1 mile
Distance climb
2 miles
Distance down
1,129 ft
Distance flat
01:11:13
Avg time

Lower Loop Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Hike
    • Trail Running
  • Riding Area
    Pacific Union College Forest
    Angwin, California
  • Difficulty Rating
    Blue Rate
  • Local Popularity
    10 in Mountain Biking [+]
    • 30 in E-Biking
    • 60 in Trail Running
    • 5 in Hiking
  • Global Ranking
    #172895 in Mountain Biking [+]
    • #93442 in E-Biking
    • #102404 in Trail Running
    • #295795 in Hiking
  • Hiking SAC Scale
    T2 Mountain Hiking
  • Trail Type
    Mixed
  • Bike Type
    AM, XC
  • Direction
    Both Directions
  • Climb Difficulty
    Black Diamond
  • Physical Rating
    Hard
  • Trail Visibility
    Sometimes hard to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes
  • Land Owner
    Pacific Union College

The farthest reaching trail in the Pacific Union College Forest and is not for the faint of heart If you don't have the stamina or mental perseverance, don't attempt. This trail is often overgrown and there are few options to bail out from once the elevation drops, so plan ahead

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

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  • 0 rides
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6 Months
  • 0 rides
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All
  • 20 rides
  • Last: Apr 11, 2010
c1c2c3c4
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Lower Loop Trail Reports

statusdatedescription
Oct 9, 2025 @ 11:33pm (America/Los_Angeles)
Oct 9, 2025
 Tree down over the creek crossing. Able to walk around/over fallen branches. Watch out for the poison oak near the branches. The sandy ruts...
Aug 6, 2025 @ 12:40pm
Aug 6, 2025
 reporter Trail was cleared with heavy equipment in June 2025. Since then the grass has been growing but the trail should still be decent (lots of ticks though)
Nov 1, 2024 @ 8:40pm
Nov 1, 2024
 This trail is overgrown and not maintained. Sandy downhills with steep uphills with sticks, ruts and branches over trial.
May 31, 2024 @ 8:33am
May 31, 2024
 reporter With some minor brush avoidance, this trail is pretty rideable
Apr 15, 2024 @ 8:01pm
Apr 15, 2024
 Trail is very obstructed and overgrown. Unpleasant to ride
more »
Status:
on Oct 9, 2025
Dry
Avg: 2.84 (8 votes)
Your vote: 0

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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
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        Directions to lower-loop-28857 trailhead (38.588420, -122.426600)

        Photos

        2 more »
        44 |
        Nov 1, 2024 @ 8:40pm
        Nov 1, 2024
        58 |
        Jan 20, 2023 @ 9:46am
        Jan 20, 2023

        Videos

        1 more »
        youtuber Boundary Trail 2019 (Angwin, CA) Mountian Biking
        14:04 | 1064 | May 1, 2019 , Angwin

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        Nearby Trails

        Pacific Union College Forest

        • By Spencer_YoungTF Pro PUCF & contributors
        • #28857 - 2,459 views

        Frequently Asked Questions About Lower Loop

        ▼ Where is Lower Loop located?
        Lower Loop is located in Pacific Union College Forest, Angwin, California, United States. It is part of the Pacific Union College Forest trail network. The trailhead is located at coordinates 38.58842, -122.4266.
        ▼ How hard is Lower Loop?
        Lower Loop is rated as Blue difficulty. The physical rating is Hard. The average grade is 0.7%. The climb difficulty is rated Black Diamond.
        ▼ What is the elevation gain for Lower Loop?
        Lower Loop has 688 ft of elevation gain. The trail has 797 ft of elevation descent. The elevation ranges from 919 ft to 1,558 ft.
        ▼ Is Lower Loop a point to point trail?
        Lower Loop is not a point to point trail. The direction is Both Directions. The trail type is mixed.

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