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Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
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Trail Last Ridden
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Trail Ridden Direction
The intended direction a trail should be ridden.
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  • Uphill Primary
  • Uphill Only
  • One Direction
Contribute Details
Colors indicate trail is missing specified detail.
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Trail Popularity ?
Trailforks scans ridelogs 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 rides = more kinetic energy = warmer colors.
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Winter Trails
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Missing Trails
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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.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status

Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.

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Slope Aspect
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        No description for Alameda County has been added yet! Login or register to submit one.
        Activities Click to view
        Region Details
        • 153
        • 31
        • 241
        • 184
        • 20
        • 2

        Local Trail Association

        Stats

        Avg Trail Rating
        Trails (view details)
        723
        Trails Mountain Bike
        698
        Trails E-Bike
        196
        Trails Gravel Bike
        1
        Trails Adaptive Bike
        2
        Trails Horse
        85
        Trails Hike
        768
        Trails Trail Running
        766
        Trails Dirtbike/Moto
        1
        Trails Observed Trials
        1
        Trails ATV/ORV/OHV
        1
        Trails Snowmobile
        1
        Trails Snowshoe
        1
        Trails Downhill Ski
        1
        Trails Backcountry Ski
        1
        Trails Nordic Ski
        1
        Total Distance
        718 miles
        Total Descent
        104,246 ft
        Total Vertical
        3,754 ft
        Highest Trailhead
        3,756 ft
        Reports
        4,290
        Photos
        772
        Ridden Counter
        132,042

        Popular Alameda County Mountain Biking Trails

        100 4.1 3,871 ft 10 ft 2,272
        This trail between Sequoia and is a flowy downhill trail. For new or intermediate riders, it has features that are quite technical. Several of them come up fast without clean sight lines. Take it easy on your first ride. The trail can...
        100 4.3 3,255 ft 27 ft 1,910
        This is the eastern trail. There is another section that connects from the service road near the bathrooms down to the
        95 3.7 1,545 ft 0 ft 1,846
        There are a few sections to this trail. This middle section is open to bikes, but you cannot continue south past the Cabin, that is for hiking only.
        95 4.3 2 miles 162 ft 1,789
        Highly rated popular green difficulty doubletrack. This mountain bike primary trail. On average it takes 13 minutes to complete this trail.
        100 3.2 680 ft 0 ft 1,650
        Popular blue difficulty singletrack. This mountain bike primary trail can be used both directions. On average it takes 1 minutes to complete this trail.
        95 4.1 1,014 ft 0 ft 1,553
        Short with lots of roots and dips
        90 4.1 1,916 ft 0 ft 1,332
        This trail is not a trail for beginners. It is rated Black due to relative difficulty to other JMP blue trails, and the fact that this trail is JMP's bone breaker, especially with clipped XC riders. Please do not avoid the trail...
        90 4.0 1,404 ft 108 ft 1,206
        Trail drops you from the bathrooms down to the

        Recent Ride Log Activity in Region

        Today
        • 0 rides
        Yesterday
        • 58 rides
        Past Week
        • 491 rides

        Alameda County Mountain Bike Routes

        4.7 8 miles 1,194 ft 30 Loop
        Starts at Ranger station parking lot at 3540 Sanborn Dr, Oakland, CA. Uses to get to . Climbs up , cruises...
        4.0 10 miles 1,479 ft 7 Out & Back
        Smorgasbord of easy, fun doubletrack mixed with a few short, kick your ass climbs and some techy rock...
        4.0 10 miles 1,495 ft 3 Loop
        Enter Golden Eagle HOA Entrance. Augustin Bernal Park. 8063 Golden Eagle Way, Pleasanton, CA 94588...
        4.0 5 miles 695 ft 8
        Joaquin Miller Park loop that is good for sessioning. One way loop only. Watch for hikers.
        4.5 8 miles 1,124 ft 5
        Perfect for a mid morning. Going up the and down the west is the easier route. the west gets steep and...
        5.0 24 miles 3,027 ft 6
        This the route from the 2018 East Bay Dirt Classic (short ride). I imported it from an export from Ride...

        Photos of Alameda County Mountain Bike

        20 |
        Mar 29, 2026 @ 9:50am
        Mar 29, 2026
        55 |
        Mar 1, 2026 @ 3:16pm
        Mar 1, 2026
        27 |
        Feb 8, 2026 @ 3:20pm
        Feb 8, 2026
        25 |
        Feb 6, 2026 @ 6:00pm
        Feb 6, 2026
        41 |
        Feb 6, 2026 @ 5:57pm
        Feb 6, 2026
        21 |
        Jan 23, 2026 @ 4:08pm
        Jan 23, 2026
        19 |
        Jan 23, 2026 @ 4:07pm
        Jan 23, 2026
        16 |
        Jan 23, 2026 @ 4:07pm
        Jan 23, 2026
        295 |
        Jun 8, 2019 @ 2:41pm
        Jun 8, 2019
        705 |
        Apr 17, 2019 @ 11:26pm
        Apr 17, 2019
        251 |
        Dec 12, 2018 @ 1:44pm
        Dec 12, 2018
        1,247 |
        Jul 3, 2015 @ 10:04am
        Jul 3, 2015

        Videos of Alameda County Mountain Bike

        0:05 | 18 | Dec 3, 2023
        Leona Heights Oakland CA - Upper York Trail
        trail: McDonell
        3:28 | 104 | Jul 20, 2023
        Monument Peak view
        0:23 | 54 | May 15, 2023
        Golden Hour ride
        0:18 | 38 | May 15, 2023
        Cowboys in Berkeley?
        0:08 | | Jul 23, 2021
        Generic MTB edit
        trail: Stables
        4:00 | 309 | Apr 20, 2021
        Felt Cute Might Delete Later
        trail: Cinderella
        2:01 | 194 | Mar 25, 2021
        Smackdown
        trail: Cinderella
        0:09 | | Dec 9, 2020

        Current Trail Warnings

        statustraildateconditionuserinfo
        Nimitz Way
        Tilden and Wildcat Canyon
        Jun 13, 2026 @ 10:36am (America/Los_Angeles)
        Jun 13, 2026
        DrymichaelbrosenthalGravel Bike The single track trails are overgrown and...

        Recent Trail Reports

        Activity Feed

        usernameactiontypetitledate
        carenaw92wishlistrouteactivity #97283466
        Jun 18, 2026 @ 4:49pm
        10 hours
        rowdyrulezwishlisttrailactivity #97260991 and 1 more
        Jun 18, 2026 @ 10:21am
        17 hours
        mjmiaowishlistregionactivity #97248594
        Jun 18, 2026 @ 6:48am
        20 hours
        nbowdenaddskillparkactivity #97197216
        Jun 17, 2026 @ 11:09am
        2 days
        ArjangcaTHa7votetrailactivity #97179348 and 1 more
        Jun 17, 2026 @ 6:40am
        2 days

        Recent Comments

        usernametypetitlecommentdate
        scottyfroulatrailChaparralfun trail but overgrown. fun fast technical
        Jun 6, 2026 @ 5:45pm
        Jun 6, 2026
        Kristina23trailSoaring Hawk TrailTemporary closed
        May 20, 2026 @ 7:53pm
        May 20, 2026
        Deadman101202trailYorkNo not ride this trail. Its impassable to...
        Apr 28, 2026 @ 10:29am
        Apr 28, 2026
        bigboyriffstrailBig Trees (outer)When there isn't rocks slowing you down? Lol...
        Apr 17, 2026 @ 9:20am
        Apr 17, 2026
        AWo4O9trailHavey Canyon TrailI’m
        Apr 16, 2026 @ 10:13am
        Apr 16, 2026

        Local Badges


        Activity Type Stats

        activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
        Mountain Bike697615 miles80,748 ft239 miles3,107 ft
        7314,29556215,897
        E-Bike196144 miles12,260 ft50 miles2,221 ft
        83,603517,737
        Gravel Bike1
        162541,968
        Adaptive Bike2
        210
        Horse8593 miles16,742 ft35 miles2,500 ft
        529211
        Hike767712 miles102,346 ft280 miles3,753 ft
        124,261816,125
        Trail Running766711 miles102,215 ft280 miles3,753 ft
        4,261612,155
        Dirtbike/Moto13,944 ft171 ft1,939 ft256 ft
        492136
        Observed Trials13,944 ft171 ft1,939 ft256 ft
        77
        ATV/ORV/OHV13,944 ft171 ft1,939 ft256 ft
        49213
        Snowmobile13,944 ft171 ft1,939 ft256 ft
        Snowshoe13,944 ft171 ft1,939 ft256 ft
        10
        Downhill Ski13,944 ft171 ft1,939 ft256 ft
        15
        Backcountry Ski13,944 ft171 ft1,939 ft256 ft
        12
        Nordic Ski13,944 ft171 ft1,939 ft256 ft
        117

        Frequently Asked Questions About Alameda County

        What are the best places to ride in Alameda County?
        Alameda County has 28 areas to explore for mountain biking. The top rated areas are:
        What are the highest rated mountain biking trails in Alameda County?
        The highest rated mountain biking trails in Alameda County are: View all mountain biking trails sorted by rating.
        What is the best time of the year to ride in Alameda County?
        Based on ride log data, the most popular months to ride in Alameda County are:
        • July (968 activities)
        • August (870 activities)
        • May (797 activities)
        Check the Alameda County reports page for current trail conditions, recent trail reports, and seasonal information from the local community.
        What is the longest trail in Alameda County?
        The longest trail in Alameda County is Alameda Creek Trail North at 11.3 miles. View all trails sorted by distance.
        • By brenthillierTF Pro NSMBA TRAILFORKS & contributors
        • Admins: jpmcghee, sanfret, brianpetry, BTCEB
        • #7921 - 9,399 views

        Downloading of trail gps tracks in kml & gpx formats is enabled for Alameda County.
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