4.7
(69)
248
riders
15
rides
Mountain biking in Cull Canyon Regional Recreation Area offers routes through a landscape characterized by wooded canyons and open, oak-carpeted hills. The terrain includes varied elevations, providing both shaded sections along Cull Creek and expansive views from higher points. While dedicated mountain bike trails within the immediate recreation area are limited, surrounding routes connect to areas with a mix of paved and unpaved surfaces. From elevated positions, riders can experience panoramic views of the Diablo Mountains and Lake Chabot.
Last updated: July 9, 2026
4.9
(14)
43
riders
34.9km
03:07
700m
700m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(4)
21
riders
20.6km
02:09
510m
510m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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5.0
(4)
14
riders
32.4km
02:54
690m
690m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
6
riders
42.2km
03:29
810m
810m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.8
(14)
61
riders
34.4km
03:18
800m
810m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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This trail is a popular mountain biking, hiking and running trail. It goes through rolling hills and, at times, gives you great views of the lakes in the area.
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Your ride up the MacDonald Trail earns you some great views of the forested hills all around you. There's also a bench if you want to hop off the bike and relax for a minute.
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This trail is a popular mountain biking, hiking and running trail. It goes through rolling hills and, at times, gives you great views of the lakes in the area.
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Great view of San Leandro Creek from the East Shore Trail. You can see the water from the trail, so it's a great place to take a break and enjoy the view.
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Bay Trees Community Park, part of the Cull Creek Trails, has restrooms, a picnic area, and water fountains, making it a great spot for a break. There are big old trees here, hence the name, that create lots of shade. It is nice to be at this 11-acre park on a sunny, hot day.
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Lake Chabot Marina is a scenic area that has boating, bike paths, and over a dozen hiking trails. Visitors can rent boats, fish, and kayak in the lake. There is a cafe here, or just vending machines for snacks, restaurants, and picnic areas.
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Wave "hello" to the horses as you pass by the Anthony Chabot Equestrian Center Riding Stables. This is a working-class ranch that has four-plus barns housing about ninety horses, so the chances of seeing one is high!
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Lake Chabot Marina is a scenic area with boasts, bike paths, and over a dozen hiking trails. Visitors can rent boats, fish, and kayak in the lake. There is a cafe here, or just vending machines for a snack, restaurants, and picnic areas.
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While Cull Canyon Regional Recreation Area offers a beautiful landscape, dedicated off-road mountain bike trails within the immediate park are limited. The area is primarily known for hiking, swimming, and picnicking. Mountain biking opportunities are more prevalent on paved roads in and around the park, or on routes that connect to other regional cycling paths.
Mountain biking routes in the broader area feature a mix of wooded canyons and open, oak-carpeted hills. You'll encounter varied elevations, providing both shaded sections along creeks and expansive views from higher points, including panoramic vistas of the Diablo Mountains and Lake Chabot.
It's important to note that bicycles are generally not permitted on East Bay Municipal Utility District (EBMUD) property, which encompasses significant portions of the dirt trails linked to Cull Canyon, including sections of the Chabot-to-Garin Regional Trail. Always check local signage and regulations before riding.
There are 17 mountain bike routes available in the broader Cull Canyon Regional Recreation Area region. These routes range from easy to difficult, with 3 easy, 13 moderate, and 1 difficult option to choose from.
A popular moderate route is the MacDonald Trail Viewpoint β Lake Chabot Marina loop from Castro Valley. This route spans 21.7 miles (34.9 km) and includes over 2,300 feet (700 meters) of elevation gain.
Yes, the Mountainbike loop from Fairview is a challenging 21.6 miles (34.8 km) path that offers significant climbs through the local hills, reaching over 2,370 feet (720 meters) in elevation.
The routes in the Cull Canyon Regional Recreation Area region are highly rated by the komoot community, with an average score of 4.4 stars from over 70 reviews. Many riders appreciate the varied terrain and scenic views of the wooded canyons and oak-carpeted hills.
While dedicated mountain bike trails are limited, the recreation area itself is very family-friendly, with a popular swimming lagoon, sandy beaches, and vast picnic areas. For cycling, paved roads like Cull Canyon Road or connecting to regional cycling routes like the Iron Horse Regional Trail might offer more suitable options for families.
From higher elevations on routes in the surrounding area, you can enjoy panoramic views of the Diablo Mountains and Lake Chabot. The trails also traverse densely wooded canyons and lead to open, oak-carpeted hills, with Cull Creek winding through the canyon.
Yes, the Earl Warren Park β Cull Canyon - Bay Trees Park loop from Fairview is a moderate 42.1 km (26.2 miles) route that includes sections near Cull Canyon and connects to other park areas.
All bicyclists under 18 are required to wear an approved helmet on trails and roadways in the region. It is strongly recommended for all cyclists, regardless of age, for safety.
Cull Canyon Regional Recreation Area is well-known for its 1.5-acre filtered swimming lagoon with sandy beaches, vast picnic areas, and opportunities for hiking, fishing, and bird watching. It's a popular spot for family outings.


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