4.4
(176)
1,503
riders
178
rides
Mountain biking in Contra Costa County offers access to expansive parklands and diverse topography across over 120,000 acres of protected land. The region is characterized by oak-dotted hills, significant elevation changes, and extensive trail networks. Natural features include the prominent Mount Diablo, rising to 3,849 feet, and numerous regional parks such as Briones, Wildcat Canyon, and Crockett Hills, providing varied terrain for mountain bikers. The landscape supports a wide array of routes, from multi-use pathways to challenging ascents.
Last updated: April 25, 2026
4.7
(30)
145
riders
24.8km
02:30
530m
530m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(17)
41
riders
26.2km
02:09
470m
470m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(3)
25
riders
28.8km
02:30
600m
600m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.7
(6)
14
riders
20.8km
02:08
550m
550m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(4)
36
riders
23.1km
02:06
580m
580m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
40
riders
6.32km
00:36
130m
130m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
5.0
(3)
23
riders
17.9km
01:25
340m
350m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
22
riders
31.0km
03:04
1,020m
1,020m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
5.0
(2)
20
riders
14.9km
01:32
350m
350m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3.5
(2)
11
riders
28.7km
03:03
800m
800m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Popular around Contra Costa County
Mount Diablo, is the Bay Area second-highest peak at 1173m (3849ft). The challenging climb features constantly fluctuating gradients averaging 8%, with tough sections up to 18% and a brutal 23% finish in the last 200m. The equally demanding descent requires good bike handling due to tight corners, potholes, and strong winds. The road to the top is open daily from 8 AM till sunset.
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Wildcat Creek Trail is a packed-dirt trail that is about four miles long. One end of the trail is at Jewel Lake, near the Environmental Education Center, and the other end of the trail is at the Alvarado Staging Area. This trail offers great views of Wildcat Creek and has some picnic tables you could stop at along the side of the trail.
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Conlon Trail is a connector trail off of Nimitz Way Trail that spits you out on its south side at the intersection of Havey Canyon Trail and Wildcat Creek Trail. Conlon Trail offers from sweet views, but it's open to hikers and bikers, so keep an eye out for folks on foot.
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The Sugar City Trail features some small, jumpable bumps, table tops, and curvy banked turns. This attracts both intermediate riders and those seeking more excitement. While some sections are exposed, the bumps can be safely rolled over or taken with more speed to get some air. However, cows can damage the trail during wet weather, so be cautious. The trail ends on a flat section at the bottom of Big Valley Trail, allowing riders to climb back up and take multiple runs.
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The Tree Frog Trail is an exhilarating flow trail designed by the same team that created the Tamarancho Flow Trail. It has quite a few turns and bumps that make for a rollercoaster ride. While it can be ridden in either direction, it's more enjoyable and safer when ridden downhill. The trail then descends through rolling hills and forest, offering shade as well.
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This point is about halfway up to Mount Diablo. The view from here is stunning, offering vistas of rolling hills and lush green surroundings. If timed right, springtime wildflowers add an extra bonus to the experience.
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Contra Costa County offers a wide range of mountain biking opportunities with over 180 routes recorded on komoot. These trails span across more than 120,000 acres of protected parkland, providing diverse terrain for all skill levels.
The region is characterized by oak-dotted hills and significant elevation changes. You'll find everything from moderate loops to challenging ascents, particularly in areas like Mount Diablo State Park, which rises to 3,849 feet. Trails often feature varied surfaces and offer panoramic views.
Yes, Contra Costa County has 58 easy mountain bike routes. While specific beginner routes are not listed here, many regional parks offer less strenuous options. For example, the Sequoia Bayview Trail loop — Joaquin Miller Park is a shorter, moderate option that could be suitable for those looking to build confidence.
For more advanced riders, there are 16 difficult mountain bike routes in the county. Mount Diablo State Park is a prime location for challenging ascents, such as the Mount Diablo Summit MTB Ride, which features over 1,000 meters of elevation gain.
Many trails offer access to stunning natural features. Mount Diablo State Park is home to the Mount Diablo Summit, offering panoramic views. You can also explore unique sandstone formations at Rock City within the park. Other highlights include the Point Isabel Regional Shoreline Park and the Benicia-Martinez Bridge Bike Trail.
Yes, many mountain bike routes in Contra Costa County are designed as loops, allowing you to start and end at the same point. Examples include the Flow Trail Loop — Crockett Hills Regional Park and the Briones Crest & Seaborg Trail loop — Briones Regional Park.
Spring is particularly beautiful for mountain biking in Contra Costa County, with the hills turning bright green and oak trees in full bloom. The weather is generally mild, making for pleasant rides. While trails are accessible year-round, summer can be hot, and some trails may be muddy after heavy winter rains.
While specific 'family-friendly' routes are not explicitly categorized, the county's extensive trail network includes many easier and moderate options suitable for families. Multi-use pathways like the Iron Horse Regional Trail offer gentler terrain. Look for routes marked as 'easy' on komoot for suitable family outings.
Contra Costa County's parklands are home to diverse wildlife. On trails, especially in areas like Mount Diablo State Park, you might spot deer, coyotes, and various bird species, including golden eagles. Always maintain a respectful distance and observe wildlife from afar.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 155 reviews. Reviewers often praise the diverse topography, the extensive network of trails, and the panoramic views, especially from higher elevations like Mount Diablo.
Yes, the Museum of the San Ramon Valley is a nearby attraction that offers insights into local history. Additionally, Black Diamond Mines Regional Preserve combines historical interest with outdoor recreation, featuring remnants of old coal and sand mining operations, though specific mountain bike access to all historical sites should be verified.
Most regional parks in Contra Costa County, such as Briones Regional Park, Wildcat Canyon Regional Park, and Mount Diablo State Park, offer designated parking areas at trailheads. It's advisable to check the specific park's website or komoot tour details for parking availability and any potential fees before your visit.


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