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A gradual fire road ascent from Walnut Creek to the base of Mt Diablo.


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Map Key

5.8

Miles

9.4

KM

Doubletrack

858' 262 m

High

222' 68 m

Low

867' 264 m

Up

282' 86 m

Down

4%

Avg Grade (2°)

12%

Max Grade (7°)

Dogs No Dogs

E-Bikes Unknown

  • Dogs are allowed off-leash in the Shell Ridge Open Space, but are not allowed on the western part of the trail where it enters the Mount Diablo State Park.
  • Watch for lots of hikers and equestrian riders. The trail can get rutted after heavy rains and loose after it is graded in early summer.

Description

This is the dirt portion of the trail from Briones Regional Park to Mt Diablo State Park. Most of the trail from Briones is on paved bike paths.

This portion starts in Shell Ridge Open Space (City of Walnut Creek, continues through Diablo Foothills Park (East Bay Regional Parks) and ends in Mt Diablo State Park (California State Parks).

This portion of the Briones to Mt Diablo trail is an easy ascent from Indian Hills School in Walnut Creek to the start of Wall Point Road in Mt Diablo State Park. It is a well used and well marked fire road. Look for trail name indicators at each intersection. Most of the trail is through grassland so there is little shade in the summer. Watch for hawks and golden eagles that nest nearby.

This trail is a good starting point for a loop down Dusty Road and back Pine Canyon or a climb up Wall Point Road .

Contacts

Shared By:

Mike Anciaux

Trail Ratings

  3.3 from 12 votes

#1

in Concord

#20253

Overall
  3.3 from 12 votes
5 Star
8%
4 Star
25%
3 Star
50%
2 Star
17%
1 Star
0%
Trail Rankings

#1

in Concord

#1,518

in California

#20,253

Overall
26 Views Last Month
3,842 Since Oct 20, 2014
Intermediate Intermediate

22%
0%
44%
0%
33%
0%

Photos

Very technical section.
Nov 17, 2021 near Walnut…, CA
Fun ridge in between short DH and technical section.
Nov 17, 2021 near Walnut…, CA
Nice East Bay scenery in Spring.
Jul 21, 2022 near Alamo, CA
Rattlesnakes have the right-of-way on Briones to Mt. Diablo trail.
Dec 14, 2015 near Alamo, CA
Dry foothills and Mount Diablo in the distance.
Dec 14, 2015 near Alamo, CA
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Weather


Current Trail Conditions

Minor Issues 61 days ago
Add Your Check-In

Check-Ins

Nov 25, 2023
StephenRobinson Robinson
12.1mi — 2h 11m
Jun 30, 2021
Boom Caca
5.6mi — 0h 39m
Jun 21, 2021
Boom Caca
4.6mi — 0h 39m
Apr 6, 2019
Temo Martinez
Mar 23, 2019
Cooper Clark
Dec 26, 2018
Blaise Rattana
Clearly there is a reason why it’s blue, not for a gravel bike!
Jan 20, 2018
Spencer Dean
Apr 2, 2017
Brian Montag
Terrible condition. Cows tour up the trail unrideable.
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