4.6
(4659)
15,323
riders
03:05
31.7km
800m
Gravel riding
This challenging 19.7-mile gravel biking loop in the East Bay hills offers panoramic views and 2631 feet of climbing.
Last updated: February 26, 2026
Tips
Includes a very steep uphill segment
You may need to push your bike.
After 8.92 km for 601 m
Waypoints
Start point
Train Station
Get Directions
8.46 km
Highlight (Segment) • Trail
Tip by
10.9 km
Highlight (Segment) • Trail
Tip by
15.8 km
Highlight (Segment) • Trail
Tip by
20.0 km
Highlight (Segment) • Trail
Tip by
31.7 km
End point
Train Station
Way Types & Surfaces
Way Types
7.57 km
6.66 km
6.27 km
5.92 km
5.26 km
Surfaces
14.4 km
11.2 km
3.81 km
2.22 km
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Elevation
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Weather
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Wednesday 6 May
21°C
12°C
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This route was planned by komoot.
The East Bay Skyline Loop connects numerous regional parks, so there isn't one single designated trailhead. You can access various points along the ridgeline, often from parking areas within parks like Tilden, Wildcat Canyon, or Sibley Volcanic Preserve. Many riders also start directly from East Bay residences, making it an 'out-the-door' adventure.
Yes, dogs are generally allowed on many trails within the East Bay Regional Park District, including sections of the East Bay Skyline Loop. However, leash regulations and specific trail restrictions can vary by park and trail segment. Always check local signage and park rules before heading out with your dog.
Spring and fall are often considered ideal for riding the East Bay Skyline Loop due to milder temperatures and lush scenery. However, be aware that washboard conditions can be common on some dirt sections during spring and summer. The panoramic views are spectacular year-round, but clear days offer the best visibility of the San Francisco Bay and Mount Diablo.
No, there are typically no permits or entrance fees required to access the trails that make up the East Bay Skyline Loop within the East Bay Regional Park District, including Tilden Regional Park and Wildcat Canyon Regional Park. Parking may have fees at some specific lots, so it's always good to check the park's official website if you plan to use a designated parking area.
The terrain on the East Bay Skyline Loop is quite diverse, offering a mix of well-kept dirt trails, fire roads, and some non-technical singletrack. You should be prepared for rocky conditions, roots, and loose gravel, especially on descents. Some sections can be technical, and washboard surfaces are common in spring and summer. Paved road sections are also integrated into the route.
This route is considered difficult due to significant elevation gains, often ranging from 3,000 to 4,000 feet over 24 to 31 miles. You'll encounter steep grades, with some segments reaching double digits and even exceeding 19-20%, which might require 'hike-a-bike' sections. While some parts are smooth, others present technical features that demand good bike handling skills and a strong fitness level.
Riders are treated to expansive panoramic vistas of the San Francisco Bay, surrounding cities, and inland valleys. The route passes through diverse ecosystems, including lush redwood groves, eucalyptus forests, and oak woodlands. Notable views include those of the San Pablo Reservoir and Mount Diablo. Riding along the ridgeline, especially on roads like Grizzly Peak Boulevard, offers asymmetrical views on both sides.
The route incorporates several well-known trails and areas. You'll ride sections of the Volmer Peak Trail, Seaview Trail, Nimitz Way, and Conlon Trail, all offering unique riding experiences and scenic beauty.
Yes, the route is notable for its interconnectivity. It utilizes sections of the East Bay Skyline National Recreation Trail, the Bay Area Ridge Trail - 02 - East Bay, and the Mokelumne Coast to Crest Trail. You'll also find yourself on popular local paths like Nimitz Way, Conlon Trail, and Seaview Trail, allowing for diverse and customizable riding experiences.
Yes, while much of the route is on fire roads and well-maintained dirt, some singletrack sections, particularly those labeled as 'Skyline singletrack' in the East Bay hills, can be technical enough to challenge experienced riders. Be prepared for steep climbs and descents with loose gravel, rocks, and roots that require careful handling.
Given the diverse terrain of fire roads, singletrack, and paved sections with varying surfaces from well-kept dirt to loose gravel and rocks, a gravel bike is ideal for this loop. Its versatility allows you to comfortably handle both the smoother and more technical parts of the route. Ensure your tires have good tread for traction on loose surfaces.