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1,647 ft
Distance
6 ft
Climb
-107 ft
Descent
00:01:00
Avg time
-100 ft
Altitude change
220 ft
Altitude min
320 ft
Altitude max
320 ft
Altitude start
220 ft
Altitude end
-6.094%
Grade
-19.537%
Grade max
4.564%
Grade min
224 ft
Distance climb
1,363 ft
Distance down
60 ft
Distance flat
00:01:00
Avg time
Trail C-31 Details
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Activities
- Mountain Bike
- Hike
- Trail Running
-
Riding AreaHappy Trails
Marina, California -
AKADragon Trail
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Difficulty Rating
-
Local Popularity40 in Mountain Biking [+]
- 45 in Trail Running
- 5 in Hiking
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Global Ranking
-
State Ranking
-
Trail TypeSingletrack
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DirectionBoth Directions
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Climb DifficultyGreen
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Physical RatingEasy
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Dogs AllowedYes
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Land Owner
No community description for Trail C-31 trail has been added yet!
AI Generated Description
Trail C-31 is a 1,647 ft moderately popular green difficulty singletrack trail located near Marina California. This mountain bike primary trail can be used both directions and has a easy overall physical rating with a 6 ft green climb. On average it takes 1 minutes to complete this trail.
Access Info
Watkins Gate Rd to Border Rd
This trail is unsanctioned.
Trail Supporters
BLMLand Manager
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 12 rides
- 22 miles avg distance
All
- 160 rides
- Last: Oct 18, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Trail C-31 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
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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
ATV/ORV/OHV Filter
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Activity Recordings
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Activity Recordings
Trailforks uses anonymized public activity data.
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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
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BC Backroad Status
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Slope Aspect
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Directions to trail-c31 trailhead
(36.646837, -121.743193)
Photos
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Nearby Trails
- Trail C-28 587 ft
- Border Road 587 ft
- Trail C-30 827 ft
- Powerline Trail 1,207 ft
- Trail C-29 1,362 ft
- #54483 - 1,188 views
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