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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
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaMount Sutro Open Space Reserve
San Francisco, California -
Difficulty Rating
-
Voted DifficultyBlue (9 votes)
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Local Popularity100 in Mountain Biking [+]
- 85 in Trail Running
- 90 in Hiking
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Global Ranking
-
State Ranking
-
Trail TypeSingletrack
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DirectionBoth Directions
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Dogs AllowedYes
-
eBike Allowed
Short loop at the southern edge of Mt. Sutro Open Space Reserve trail system with some steep inclines
Local Trail Association
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-
Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Recent Activity on Trail
Past Week
- 1 rides
- 7 miles average
6 Months
- 69 rides
- 9 miles avg distance
All
- 387 rides
- Last: Nov 1, 2026
Christopher... Trail Reports
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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
Trail Flow (Ridden Direction)
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The colour categories are based on what percentage of users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
Trailforks scans activity logs to determine the last time a trail was ridden.
- < 2 days
- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
Contribute Details
Colors indicate trail is missing specified detail.
- Description
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Trail Popularity ?
Trailforks scans activity logs to determine which trails are ridden the most in the last 9 months.
Trails are compared with nearby trails in the same city region with a possible 25 colour shades.
Think of this as a heatmap, more activities = more kinetic energy = warmer colors.
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- popular
- less popular
- not popular
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Activity Recordings
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Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
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Missing Trails
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Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Slope Aspect
Direction the slope faces
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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
16 miles • 2,989 ft • 55 • Loop •
This route encompasses the large majority of San Francisco's singletrack offerings within 4 distinct major...
13 miles • 2,549 ft • 44 • Loop •
Connects 4 main trail destinations in San Francisco - Mount Sutro, Twin Peaks, Glen Canyon, and Laguna...
3 miles • 730 ft • 10 • Loop •
Nice Gravel loop with mostly Blues and Greens updated for 2025 trail closures
dstark70sf
This is not a black trail. There is a 4 foot pitch into a turn but it is very manageable. It should be rated blue.
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Nearby Trails
- Quarry Road Trail 0 ft
- Historic Trail 0 ft
- Christopher Trail 92 ft
- Mount Sutro Access (south) 154 ft
- Blairwood Lane Stairs 354 ft
Mount Sutro Open Space Reserve
- By sfmountainbiker & contributors
- #468346 - 775 views
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