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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
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US Cell Coverage
Legend
Radar Time
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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.
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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.
SaveStarting April 21, 2023 the Pilot Program area is under new access rules. It is up to you to ensure if you ride within the pilot zone, you ride on Bike days. Not on Horse days.
https://www.ebparks.org/parks/briones/briones-pilot-project
The "Alternating Day" program with MTB access only on ODD days, only applies to the weekends and DOES NOT apply outside of the pilot zone. So you can still ride out on the weekend, just not within the pilot zone, which is about 1/5 of the park.
https://www.ebparks.org/parks/briones/briones-pilot-project
The "Alternating Day" program with MTB access only on ODD days, only applies to the weekends and DOES NOT apply outside of the pilot zone. So you can still ride out on the weekend, just not within the pilot zone, which is about 1/5 of the park.
google parking directions Disclaimer:
PILOT ZONE WEEKEND BIKE RULES
• On ODD-numbered weekend days, bikes will be allowed to use all trails open to bike use within the pilot project zone.
• Specific trails in the pilot zone will be designated for bike use ONLY and will be limited to a downhill direction of travel ONLY. These trails will be signed as such at both the top entry point and the bottom exit. These trails are recommended for expert riders only and are not regularly maintained by park staff.
• On EVEN numbered weekend days, bikes are prohibited from using any trails including bike-only trails.
• Read it the Pilot Zone rules linked
• On ODD-numbered weekend days, bikes will be allowed to use all trails open to bike use within the pilot project zone.
• Specific trails in the pilot zone will be designated for bike use ONLY and will be limited to a downhill direction of travel ONLY. These trails will be signed as such at both the top entry point and the bottom exit. These trails are recommended for expert riders only and are not regularly maintained by park staff.
• On EVEN numbered weekend days, bikes are prohibited from using any trails including bike-only trails.
• Read it the Pilot Zone rules linked
Links
Activities Click to view
- Mountain Bike
58 trails
- Hike
48 trails
- Trail Running
48 trails
Region Details
- 20
- 10
- 15
- 4
Region Status
Caution as of Apr 9, 2025Stats
- Avg Trail Rating
- Trails (view details)
- 57
- Trails Mountain Bike
- 64
- Trails E-Bike
- 32
- Trails Horse
- 4
- Trails Hike
- 48
- Trails Trail Running
- 48
- Trails Observed Trials
- 1
- Total Distance
- 67 miles
- Total Descent Distance
- 33 miles
- Total Descent
- 16,734 ft
- Total Vertical
- 1,225 ft
- Highest Trailhead
- 1,464 ft
- Reports
- 337
- Photos
- 68
- Ridden Counter
- 10,079
Popular Briones Regional Park Mountain Biking Trails
Briones Regional Park Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| BTCEB Tour of Briones Pilot | 10 miles | |
| BTCEB Tour of Briones Pilot | 10 miles | |
| Joel's Pilot Zone Ride from Bear Creek - All Legal Singletrack | 11 miles | |
| Briones Ride | 13 miles | |
| Briones 5m | 5 miles |
Photos of Briones Regional Park Mountain Bike
trail: Hank and Frank
70 |
Jan 14, 2025 @ 8:40pm
Jan 14, 2025
trail: Hank and Frank
69 |
Oct 23, 2024 @ 2:07pm
Oct 23, 2024
trail: Curl of the Burl
177 |
Nov 19, 2023 @ 11:39am
Nov 19, 2023
trail: Radio Tower & Texas Toast
138 |
Sep 23, 2023 @ 10:43pm
Sep 23, 2023
trail: Hank and Frank
328 |
May 2, 2023 @ 6:35pm
May 2, 2023
trail: Isaac's DH
275 |
May 2, 2023 @ 6:34pm
May 2, 2023
trail: Mike’s II
96 |
Dec 10, 2021 @ 11:44am
Dec 10, 2021
trail: Mike’s II
131 |
Dec 10, 2021 @ 11:27am
Dec 10, 2021Videos of Briones Regional Park Mountain Bike
trail: Briones Road
70 |
Jul 12, 2024
2:59 |
38212 |
Sep 13, 2012
0:06 |
111 |
Apr 19, 2011
trail: Hank and Frank
5:25 |
769 |
Aug 28, 2023 , Walnut Creek
trail: Radio Tower & Texas Toast
4:09 |
329 |
Aug 28, 2023 , Walnut Creek
0:04 |
207 |
Apr 23, 2010
trail: Mike’s II
0:25 |
442 |
Dec 28, 2020 , Walnut Creek
trail: Radio Tower & Texas Toast
11:04 |
1590 |
Sep 15, 2020 , Walnut Creek
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| Isaac's DH | Apr 9, 2025 @ 12:12pm Apr 9, 2025 | Ideal | Bhalili | ||
| Curl of the Burl | Apr 7, 2025 @ 9:31am Apr 7, 2025 | Ideal | Drhumphrey | ||
| Alhambra Creek Trail | Apr 7, 2025 @ 9:31am Apr 7, 2025 | Ideal | Drhumphrey | ||
| Radio Tower & Texas Toast | Feb 17, 2025 @ 11:16am Feb 17, 2025 | Wet | SlipperyWhenDry | ||
| Seaborg Trail | Feb 9, 2025 @ 2:47pm Feb 9, 2025 | Unknown | Bhalili | ||
| Hank and Frank (Alternative Line) | Jan 27, 2025 @ 8:15am Jan 27, 2025 | Ideal | dpc1 Briones | ||
| Azure Express | Jan 23, 2025 @ 8:40am Jan 23, 2025 | Ideal | Drhumphrey | ||
| Swoopies | Jan 23, 2025 @ 8:40am Jan 23, 2025 | Ideal | Drhumphrey | ||
| Hank and Frank | Jan 23, 2025 @ 8:40am Jan 23, 2025 | Ideal | Drhumphrey | ||
| Traverse | Jan 15, 2025 @ 4:11pm Jan 15, 2025 | Variable | ewalker11 |
Activity Feed
| username | action | type | title | date |
|---|---|---|---|---|
| eliebou | wishlist | region | activity #70386747 | Apr 25, 2025 @ 11:41pm 15 hours |
| Reubenbrothers | difficultyvote | trail | activity #70379539 | Apr 25, 2025 @ 6:56pm 20 hours |
| Reubenbrothers | ridden | trail | activity #70379532 | Apr 25, 2025 @ 6:56pm 20 hours |
| epic78 | wishlist | route | activity #70259477 | Apr 23, 2025 @ 9:40pm 3 days |
| ChadLx8yYy | wishlist | region | activity #70257923 | Apr 23, 2025 @ 8:32pm 3 days |
Recent Comments
| username | type | title | comment | date |
|---|---|---|---|---|
| trail | Insane trail. Some super fun berms and jumps | Apr 25, 2025 @ 6:57pm 20 hours | ||
| trail | Really has a lot of horse damage. I won’t... | Apr 11, 2025 @ 11:22am Apr 11, 2025 | ||
| trail | It’s a hellish climb if not on an E-bike.... | Apr 5, 2025 @ 6:39pm Apr 5, 2025 | ||
| trail | Signs say it is multi directional and multi... | Apr 5, 2025 @ 6:38pm Apr 5, 2025 | ||
| trail | Fun ride back to the car with some small jumps... | Apr 5, 2025 @ 6:35pm Apr 5, 2025 |
Nearby Areas
| name | distance | ||||
|---|---|---|---|---|---|
| Acalanes Ridge | 3 | 7 | 2.9 km | ||
| Paso Nogal Park | 1 | 1 | 3.3 km | ||
| Hidden Lakes Park | 1 | 3.9 km | |||
| Carquinez Strait Regional Shoreline | 2 | 5.7 km | |||
| Fernandez Ranch | 2 | 3 | 5.7 km |
Local Badges
-
Completionist0 awarded
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 58 | 56 miles | 14,367 ft | 27 miles | 1,224 ft | #5,246 | #2,348 | 67 | 340 | 5 | 8,247 | |
| E-Bike | 32 | 32 miles | 8,461 ft | 16 miles | 1,181 ft | 1 | 297 | 1 | 3,554 | |||
| Horse | 4 | 7 miles | 1,234 ft | 3 miles | 794 ft | 18 | ||||||
| Hike | 48 | 55 miles | 12,490 ft | 27 miles | 1,181 ft | #5,119 | #2,481 | 278 | 1 | 902 | ||
| Trail Running | 48 | 55 miles | 12,490 ft | 27 miles | 1,181 ft | #5,126 | #2,477 | 3 | 278 | 1 | 165 | |
| Observed Trials | 1 | 3,323 ft | 171 ft | 2,631 ft | 171 ft | 1 |
- By ranke & contributors
- Admins: BTCEB, bkxc, Briones
- #19303 - 21,005 views
- briones regional park activity log | embed map of Briones Regional Park mountain bike trails | briones regional park mountain biking points of interest polygons
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