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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)
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.
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
- no data
Trail Last Ridden
Trailforks scans ridelogs 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
- Photos
- Description & Photos
- Videos
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.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
x
Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
- mountain biking recent
- mountain biking (>6 month)
- hiking (1 year)
- moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
- Downhill Ski
- Backcountry Ski
- Nordic Ski
- Snowmobile
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x
Missing Trails
Most Popular
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 riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
Save the current map location and zoom level as your default home location whenever this page is loaded.
SavePopular Trail Networks
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Activities Click to view
- Mountain Bike
655 trails
- E-Bike
169 trails
- Horse
74 trails
- Hike
733 trails
- Trail Running
732 trails
Stats
- Avg Trail Rating
- Trails (view details)
- 707
- Trails Mountain Bike
- 655
- Trails E-Bike
- 169
- Trails Horse
- 74
- Trails Hike
- 734
- Trails Trail Running
- 732
- 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
- 3,870
- Photos
- 737
- Ridden Counter
- 106,061
Sub Regions
- Alameda (58)
- Albany (5)
- Albany Park (0)
- Berkeley (62)
- Castro Valley (46)
- Dublin (4)
- Fremont (55)
- Hayward (23)
- Livermore (178)
- Oakland (87)
- Pleasanton (116)
- Pleasanton Ridge (68)
- Shadow Cliffs (16)
- Sunol Regional Wilderness (25)
- San Leandro (4)
- sunol (9)
- Union City (2)
- Coyote Hills Regional Park (30)
Popular Alameda County Mountain Biking Trails
| status | title | difficulty | rating |
|---|---|---|---|
| Cinderella Joaquin Miller Park (JMP) | |||
| Big Trees (outer) Joaquin Miller Park (JMP) | |||
| Palos Colorados Joaquin Miller Park (JMP) | |||
| Sequoia-Bayview Trail Joaquin Miller Park (JMP) | |||
| Orchard Trail Joaquin Miller Park (JMP) | |||
| Upper Palos Colorados Joaquin Miller Park (JMP) | |||
| Chaparral Joaquin Miller Park (JMP) | |||
| Big Trees (inner) Joaquin Miller Park (JMP) | |||
| Sunset Loop Joaquin Miller Park (JMP) | |||
| Horse Arena Joaquin Miller Park (JMP) | |||
| Bishop's Walk Joaquin Miller Park (JMP) | |||
| Connector Joaquin Miller Park (JMP) | |||
| Connector Joaquin Miller Park (JMP) | |||
| Scout Trail Joaquin Miller Park (JMP) | |||
| Sunset Connector Leona Canyon Regional Open Space Preserve |
Alameda County Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| Pleasanton Ridge - Bay Leaf Loop 2 Pleasanton Ridge | 10 miles | |
| Joaquin Miller Park Big Trees and Cinderella loop Joaquin Miller Park (JMP) | 8 miles | |
| Joaquin Miller Killer Joaquin Miller Park (JMP) | 10 miles | |
| Joaquin Miller Park loop Oakland | 5 miles | |
| East Ridge / West Ridge Loop Joaquin Miller Park (JMP) | 8 miles | |
| 2018 East Bay Dirt Classic Short Course Redwood Regional Park | 24 miles | |
| Brushy Peak Interior Loop Brushy Peak Regional Preserve | 5 miles | |
| Ranger Station Loop Anthony Chabot Regional Park | 9 miles | |
| Sequoia Bayview to Big Trees Loop Redwood Regional Park | 2 miles | |
| Pleasanton Ridge Sampler Pleasanton Ridge | 13 miles |
Photos of Alameda County Mountain Bike
trail: Baccharis
14 |
Aug 19, 2024 @ 10:10am
Aug 19, 2024
trail: Baccharis
5 |
Aug 19, 2024 @ 10:10am
Aug 19, 2024
trail: Augustin Bernal
42 |
Aug 3, 2024 @ 12:09pm
Aug 3, 2024
trail: Soaring Hawk Trail
17 |
Jun 20, 2024 @ 1:56pm
Jun 20, 2024
trail: Hayward Plunge Trail
13 |
Jun 15, 2024 @ 3:30pm
Jun 15, 2024
trail: Chaparral
604 |
Apr 17, 2019 @ 11:26pm
Apr 17, 2019
trail: Chaparral
1,123 |
Jul 3, 2015 @ 10:04am
Jul 3, 2015Videos of Alameda County Mountain Bike
14 |
Dec 3, 2023
trail: McDonell
58 |
Jul 20, 2023
trail: Monument Peak Road
36 |
May 15, 2023
trail: Monument Peak Road
29 |
May 15, 2023
trail: Beyond Nimitz
|
Jul 23, 2021
trail: Stables
309 |
Apr 20, 2021
trail: Cinderella
177 |
Mar 25, 2021
trail: Cinderella
|
Dec 9, 2020
Current Trail Warnings
| status | trail | date | condition | user | info |
|---|---|---|---|---|---|
| Curran Curry Tilden and Wildcat Canyon | Mar 20, 2025 @ 4:37pm Mar 20, 2025 | Variable | jamuel BTCEB | Multiple trees down. 10-12 inches in... |
Recent Trail Reports
Activity Feed
| username | action | type | title | date |
|---|---|---|---|---|
| kookyMtbr | ridden | trail | activity #68210308 | Mar 22, 2025 @ 10:48am 2 days |
| char3435 | add | report | activity #68172491 and 3 more | Mar 21, 2025 @ 7:45pm 2 days |
| jjg510 | wishlist | route | activity #68148505 | Mar 21, 2025 @ 11:54am 2 days |
| vusao | checkin | trail | activity #68113149 | Mar 20, 2025 @ 5:14pm Mar 20, 2025 |
| vusao | ridden | trail | activity #68113148 | Mar 20, 2025 @ 5:14pm Mar 20, 2025 |
Recent Comments
| username | type | title | comment | date |
|---|---|---|---|---|
| trail | Gate was locked 1.7 miles into trail | Mar 19, 2025 @ 8:26pm Mar 19, 2025 | ||
| report | Lots of fissures on the trail had to stop a... | Mar 12, 2025 @ 10:48pm Mar 12, 2025 | ||
| trail | Pretty steep and fun route. Bike DH from... | Mar 6, 2025 @ 4:50am Mar 6, 2025 | ||
| trail | Very steep and run out fire trail. Mudslides... | Mar 6, 2025 @ 4:47am Mar 6, 2025 | ||
| trail | This was a fun trail!! | Mar 1, 2025 @ 4:33pm Mar 1, 2025 |
Local Badges
-
Top 10 Trails6 awarded -
Climbing 10k Badge12 awarded -
Big Ride 30k11,059 awarded -
Epic Ride Climb 2k433 awarded -
Big Ride 30k642 awarded -
Descent 100k Badge9 awarded
Bike & Skill Parks
| name | type | city | rating |
|---|---|---|---|
| Dublin BMX track @ Fallon Sports Park | skill park | Dublin | |
| Oakland Pump Track | skill park | Oakland | |
| Pleasanton BMX Park | skill park | Pleasanton | |
| Club Moto | skill park | Livermore | |
| Carnegie SVRA | skill park | Livermore |
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 655 | 615 miles | 80,748 ft | 239 miles | 3,107 ft | 687 | 3,875 | 53 | 179,254 | |||
| E-Bike | 169 | 144 miles | 12,260 ft | 50 miles | 2,221 ft | 7 | 3,242 | 5 | 12,660 | |||
| Horse | 74 | 93 miles | 16,742 ft | 35 miles | 2,500 ft | 527 | 2 | 11 | ||||
| Hike | 733 | 712 miles | 102,346 ft | 280 miles | 3,753 ft | 10 | 3,846 | 8 | 11,314 | |||
| Trail Running | 732 | 711 miles | 102,215 ft | 280 miles | 3,753 ft | 3,846 | 6 | 8,094 | ||||
| Dirtbike/Moto | 1 | 3,944 ft | 171 ft | 1,939 ft | 256 ft | 491 | 1 | 30 | ||||
| Observed Trials | 1 | 3,944 ft | 171 ft | 1,939 ft | 256 ft | 7 | 7 | |||||
| ATV/ORV/OHV | 1 | 3,944 ft | 171 ft | 1,939 ft | 256 ft | 491 | 12 | |||||
| Snowmobile | 1 | 3,944 ft | 171 ft | 1,939 ft | 256 ft | |||||||
| Snowshoe | 1 | 3,944 ft | 171 ft | 1,939 ft | 256 ft | 10 | ||||||
| Downhill Ski | 1 | 3,944 ft | 171 ft | 1,939 ft | 256 ft | 15 | ||||||
| Backcountry Ski | 1 | 3,944 ft | 171 ft | 1,939 ft | 256 ft | 12 | ||||||
| Nordic Ski | 1 | 3,944 ft | 171 ft | 1,939 ft | 256 ft | 1 | 4 |
- By brenthillier
NSMBA TRAILFORKS & contributors - Admins: jpmcghee, sanfret, brianpetry, BTCEB
- #7921 - 8,088 views
- alameda county activity log | embed map of Alameda County mountain bike trails | alameda county mountain biking points of interest polygons
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