more stats
2.5 miles
Distance
266 ft
Climb
-781 ft
Descent
00:21:27
Avg time
-513 ft
Altitude change
678 ft
Altitude min
1,439 ft
Altitude max
1,308 ft
Altitude start
794 ft
Altitude end
-3.8%
Grade
-38%
Grade max
31.9%
Grade min
3,832 ft
Distance climb
2 miles
Distance down
912 ft
Distance flat
00:21:27
Avg time

680 Details

  • Activities
    • Mountain Bike
    • Horse
    • Hike
    • Trail Running
  • Riding Area
    Loma Alta Preserve
    Fairfax, California
  • Difficulty Rating
    Green Rate
  • Voted Difficulty
    Blue (1 vote)
  • Local Popularity
    30 in Mountain Biking [+]
    • 70 in Trail Running
    • 15 in Hiking
    • 5 in Horseback
  • Global Ranking
    #110105 in Mountain Biking [+]
    • #72075 in Trail Running
    • #121316 in Hiking
    • #1136 in Horseback
  • Trail Type
    Singletrack
  • Bike Type
    XC
  • Direction
    Downhill Primary
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    No
  • Land Owner
    Marin County Parks

No community description for 680 trail has been added yet!

AI Generated Description

680 is a 3 mile less popular green difficulty singletrack trail located near Fairfax California. This multi-use trail can be used downhill primary and has a moderate overall physical rating with a 266 ft blue climb. Trail visibility is always easy to follow. On average it takes 21 minutes to complete this trail.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 10 rides
  • 16 miles avg distance
All
  • 83 rides
  • Last: Jun 4, 2026
c1c2c3c4
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680 Trail Reports

statusdatedescription
Apr 4, 2025 @ 8:08pm
Apr 4, 2025
 Berms at the top and very wet and the trail in general is a bit muddy but at the tree cover it is good Minor Water drainage issue, standing water...
Nov 23, 2022 @ 7:52pm
Nov 23, 2022
 The Berms on the top are brand new, some to wet for Riding.
Sep 10, 2022 @ 9:33am
Sep 10, 2022
Oct 29, 2021 @ 8:47pm
Oct 29, 2021
 Huge Hornet Nest in the Rescue Box
Apr 3, 2021 @ 7:43am
Apr 3, 2021
more »
Status:
on Apr 4, 2025
Wet
Avg: 3.74 (10 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
Trail Flow (Ridden Direction)
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  • > 90%
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  • < 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
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  • Videos
Trail Popularity ?
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BC Backroad Status

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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 680 trailhead (38.019540, -122.615360)

        Photos

        33 more »
        41 |
        Nov 26, 2025 @ 12:00pm
        Nov 26, 2025
        34 |
        Nov 26, 2025 @ 11:48am
        Nov 26, 2025
        39 |
        Nov 26, 2025 @ 11:26am
        Nov 26, 2025
        89 |
        Apr 11, 2023 @ 8:37pm
        Apr 11, 2023

        Videos

        2 more »
        680 Trail - Top Down
        20:33 | 993 | Jan 1, 2019 , Fairfax
        680 to Solstice
        8:41 | 834 | Jan 21, 2013 , Fairfax

        Routes with this trail

        142
        Short Chicken Shack Loma Alta Queenstone Loop
        ★ 5.0 • 33 miles • 7,303 ft • 13 • Loop •
        Great combination of single track trails ( , 680, , , , ) and fire roads (Chicken Shack, Ridge, Loma Alta,...
        74
        22 mile Big Rock & Loma Alta Tour.
        ★ 5.0 • 22 miles • 4,619 ft • 5 • Loop •
        Great tour of Big Rock Ridge and Loma Alta, featuring amazing views, lots of climbing, and 3 classic Marin...
        125
        LIJAH LOOP 26
        25 miles • 5,170 ft • 10 • Loop •
        Single tracks (5 mi) - 680, Fire roads (20+ mi) - all other trails Rattlesnakes - look out for and avoid...

        2 Reviews & Comments


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        Nearby Trails

        Loma Alta Preserve

        Frequently Asked Questions About 680

        ▼ Where is 680 located?
        680 is located in Loma Alta Preserve, Fairfax, California, United States. It is part of the Loma Alta Preserve trail network. The trailhead is located at coordinates 38.01954, -122.61536.
        ▼ How hard is 680?
        680 is rated as Green difficulty. The physical rating is Moderate. The average grade is 3.8%. The climb difficulty is rated Blue.
        ▼ What is the elevation gain for 680?
        680 has 81 m of elevation gain. The trail has 238 m of elevation descent. The elevation ranges from 207 m to 439 m.
        ▼ Is 680 a point to point trail?
        680 is not a point to point trail. The direction is Downhill Primary. The trail type is singletrack.

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