4.7
(38)
578
riders
38
rides
Gravel biking in Santa Clara County offers diverse terrain, from the baylands bordering San Francisco Bay to the rolling hills of the Santa Cruz Mountains and Diablo Range. The region features a mix of alluvial plains, oak woodlands, and marshlands. This varied topography provides a range of environments suitable for gravel cycling, including fire roads and unpaved trails. The landscape transitions from flat, scenic routes near the bay to more challenging climbs in the eastern and western mountain ranges.
Last updated: April 25, 2026
36.7km
03:44
740m
740m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
26
riders
45.2km
03:26
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(2)
16
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
32
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
19
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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The San Francisco Bay Trail is a flat, paved trail that runs along the border of the bay. It is a great place for a run because it is traffic free and has great views.
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The Donald M. Somers Water Pollution Control Plant, also called the Sunnyvale Water Treatment Center, is a wastewater treatment plant focused on making the water clean enough to be safely released into San Francisco Bay or used for non-drinking purposes. The plant produces about 300 million gallons of recycled water each year.
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This nature preserve is home to a number of waterfowl and shorebirds. Keep an eye out for cormorants, pintails, snowy and great egrets, black-necked stilts, and more.
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The Donald M. Somers Water Pollution Control Plant, also called the Sunnyvale Water Treatment Center, is a wastewater treatment plant focused on making the water clean enough to be safely released into San Francisco Bay or used for non-drinking purposes. The plant produces about 300 million gallons of recycled water each year.
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Located right by the parking area you can find some additional info before heading out on your ride.
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Summit Road has a long and complicated history of public access. These days it is court ordered to remain accessible to the public but you may see some intimidating signs saying that you are trespassing. As is usually the case, if you are respectful and courteous to the route and any home owners you encounter you shouldn't have any trouble.
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This 4,605-acre park covers a large area of Redwood forest. There are many miles of trails, campsites, guided trail rides and more.
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Riding through the Baylands is wonderful especially on a sunny day.
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There are over 30 dedicated no-traffic gravel bike trails in Santa Clara County, offering a variety of experiences from easy, flat rides to more challenging climbs. These routes are designed to keep you away from vehicular traffic, providing a peaceful and safe cycling environment.
Santa Clara County's diverse landscape means you'll encounter a range of terrains. You can expect everything from flat, scenic routes through baylands and marshlands, like the New Chicago Marsh – Alviso Marina County Park loop, to rolling hills with oak woodlands and grasslands, and even more challenging mountainous terrain with fireroads in areas like the Santa Cruz Mountains and Diablo Range.
Santa Clara County enjoys a pleasant climate year-round, making it suitable for gravel biking in most seasons. Spring and fall offer ideal temperatures and vibrant scenery. Even in winter, many trails remain accessible, though some higher elevation areas might be cooler. Summer can be warm, especially in the inland areas, so early morning or late afternoon rides are often preferred.
Yes, Santa Clara County offers several easy, no-traffic gravel routes perfect for beginners or those seeking a relaxed ride. The Moffett Boulevard Bike Bridge – Stevens Creek bridge loop is a great example, offering a mostly flat ride with minimal elevation gain through scenic areas. Routes around the baylands also tend to be very accessible.
Absolutely. For experienced gravel bikers looking for a challenge, Santa Clara County delivers. Routes like the Mount Madonna County Park via Summit Road or the Mine Hill Trailhead – Lisa Killough Trail loop from Almaden Quicksilver County Park offer significant elevation gains and longer distances, often traversing rugged fireroads and providing rewarding views.
Many trails offer stunning natural beauty and points of interest. You can ride past beautiful bodies of water like Stevens Creek Reservoir, Arastradero Lake, and Vasona Lake County Park. The San Francisco Bay Trail offers unique bayland views. You might also encounter diverse wildlife and varied plant communities, from redwood forests to oak woodlands and marshlands.
The komoot community highly rates gravel biking in Santa Clara County, with an average score of 4.6 out of 5 stars. Reviewers often praise the extensive network of traffic-free trails, the diverse and scenic landscapes ranging from bay views to rolling hills, and the opportunity to explore natural areas away from city noise. The variety of routes catering to all skill levels is also frequently highlighted.
Yes, several no-traffic gravel routes are suitable for families. These often feature flatter terrain and well-maintained paths within county parks or along dedicated bike trails. Look for routes around parks like Vasona Lake County Park or along sections of the Coyote Creek Trail for a safe and enjoyable family outing.
Many trailheads for no-traffic gravel routes in Santa Clara County offer designated parking areas. Popular parks like Alviso Marina County Park, Stevens Creek County Park, and Joseph D. Grant County Park typically have ample parking facilities. It's always a good idea to check specific route details for trailhead parking information before you go.
Dog policies vary by park and trail within Santa Clara County. While some trails allow dogs on leash, others may have restrictions or prohibit them entirely, especially in sensitive wildlife areas or certain open space preserves. Always check the specific park or trail regulations beforehand to ensure your furry friend is welcome.
Public transport access to trailheads can vary. Some urban and suburban trails, particularly those closer to the San Francisco Bay, might be accessible via VTA (Santa Clara Valley Transportation Authority) bus or light rail services, which often have bike racks. However, more remote or mountainous gravel trails typically require personal vehicle access. Planning your route with public transport maps is recommended if you intend to use it.
Yes, depending on the trail's location, you can often find cafes, restaurants, or convenience stores nearby. Trails closer to urban centers or popular park entrances, such as those near Alviso Marina County Park or Vasona Lake County Park, will have more options. For more remote trails, it's advisable to pack your own snacks and drinks.


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