more stats
538 ft
Distance
8 ft
Climb
-10 ft
Descent
00:00:40
Avg time
1 ft
Altitude change
808 ft
Altitude min
820 ft
Altitude max
819 ft
Altitude start
820 ft
Altitude end
0.2%
Grade
-5%
Grade max
9%
Grade min
144 ft
Distance climb
233 ft
Distance down
161 ft
Distance flat
00:00:40
Avg time

Christopher Trail Loop Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Mount Sutro Open Space Reserve
    San Francisco, California
  • Difficulty Rating
    Black Diamond Rate
  • Voted Difficulty
    Blue (9 votes)
  • Local Popularity
    100 in Mountain Biking [+]
    • 85 in Trail Running
    • 90 in Hiking
  • Global Ranking
    #11529 in Mountain Biking [+]
    • #63523 in Trail Running
    • #43949 in Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes

Short loop at the southern edge of Mt. Sutro Open Space Reserve trail system with some steep inclines

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 1 rides
  • 6 miles average
6 Months
  • 84 rides
  • 9 miles avg distance
All
  • 355 rides
  • Last: Jun 29, 2026
c1c2c3c4
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Christopher... Trail Reports

statusdatedescription
Jul 31, 2025 @ 4:35pm
Jul 31, 2025
Nov 4, 2024 @ 2:48pm
Nov 4, 2024
 They cleared out some trees and the trail looks more open now. One of the easiest blacks I've ever done (It's like a easy blue).
Apr 12, 2023 @ 6:47pm
Apr 12, 2023
Feb 1, 2023 @ 10:05am
Feb 1, 2023
 reporter
Jan 13, 2023 @ 6:08pm
Jan 13, 2023
more »
Status:
on Jul 31, 2025
Wet
Avg: 3.79 (4 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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  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to christopher-trail-loop trailhead (37.756040, -122.458660)

        Photos

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        Videos

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        Routes with this trail

        31
        San Francisco Enduro 2023 (De)Tour
        13 miles • 2,549 ft • 44 • Loop •
        Connects 4 main trail destinations in San Francisco - Mount Sutro, Twin Peaks, Glen Canyon, and Laguna...
        55
        San Francisco Enduro Grand Tour
        16 miles • 2,989 ft • 55 • Loop •
        This route encompasses the large majority of San Francisco's singletrack offerings within 4 distinct major...
        10
        Mt Sutro Gravel Loop - 2025
        3 miles • 730 ft • 10 • Loop •
        Nice Gravel loop with mostly Blues and Greens updated for 2025 trail closures

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        Nearby Trails

        Mount Sutro Open Space Reserve

        • By sfmountainbiker & contributors
        • #468346 - 584 views

        Frequently Asked Questions About Christopher Trail Loop

        ▼ Where is Christopher Trail Loop located?
        Christopher Trail Loop is located in Mount Sutro Open Space Reserve, San Francisco, California, United States. It is part of the Mount Sutro Open Space Reserve trail network. The trailhead is located at coordinates 37.75604, -122.45866.
        ▼ How hard is Christopher Trail Loop?
        Christopher Trail Loop is rated as Black Diamond difficulty. The average grade is 0.2%.
        ▼ What is the elevation gain for Christopher Trail Loop?
        Christopher Trail Loop has 8 ft of elevation gain. The trail has 10 ft of elevation descent. The elevation ranges from 808 ft to 820 ft.
        ▼ Is Christopher Trail Loop a point to point trail?
        Christopher Trail Loop is not a point to point trail. The direction is Both Directions. The trail type is singletrack.

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