4.9
(17)
152
riders
25
rides
Gravel bike trails in Rancho San Antonio County Park traverse a diverse landscape characterized by rolling, grass-covered hillsides, expansive grasslands, and varied wooded canyons. Situated in the foothills of the Santa Cruz Mountains, the preserve offers a mix of unpaved dirt and gravel roads alongside some paved sections. The terrain includes challenging climbs to viewpoints and features like Monte Bello Ridge and Black Mountain. This area provides over 25 miles of trails across its combined preserve and county park.
Last updated: July 12, 2026
5.0
(1)
31
riders
42.7km
03:18
1,010m
1,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
5
riders
22.5km
01:54
480m
480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.3
(3)
12
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
23
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
10
riders
56.4km
03:46
920m
920m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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This scenic linear park, separating Los Altos from Los Altos Hills, offers a smooth, uninterrupted route ideal for a relaxing bike ride. Cyclists can enjoy its shaded paths, spot public art installations along the way, and pause at the gazebo or open grass field for a break with a view.
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Stevens Creek Reservoir spans 87 acres and is surrounded by a 1,063-acre park. Visitors can enjoy hiking, horseback riding, picnicking, and limited fishing. Seasonal boating for low-power boats is available from mid-April to mid-October. The park is open daily from 8 a.m. to sunset, with vehicle entry fees collected year-round at the Chestnut parking lot. Visitors can explore natural beauty and historic remnants like the Villa Maria orchard.
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Stevens Creek Reservoir spans 87 acres and is surrounded by a 1,063-acre park. Visitors can enjoy hiking, horseback riding, picnicking, and limited fishing. Seasonal boating for low-power boats is available from mid-April to mid-October. The park is open daily from 8 a.m. to sunset, with vehicle entry fees collected year-round at the Chestnut Parking Lot. Visitors can explore natural beauty and historic remnants like the Villa Maria orchard.
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Rancho San Antonio County Park offers a diverse network of over 30 gravel bike trails. These routes cater to various skill levels, with options ranging from easy to difficult, allowing riders to explore the park's varied terrain.
The park's terrain is ideal for gravel biking, featuring a mix of unpaved dirt and gravel roads alongside some paved sections. You'll encounter expansive grasslands, rolling hills, and varied woodlands, with challenging climbs leading to scenic viewpoints. The trails traverse the foothills of the Santa Cruz Mountains, offering a true gravel riding experience.
Yes, there are several easier gravel biking options. While many routes involve significant elevation, you can find trails that are less demanding. For example, the park offers 3 routes classified as easy, and 16 as moderate, providing a good range for those new to gravel biking or looking for a more relaxed ride.
Riders can enjoy stunning panoramic views from prominent features like Black Mountain, which offers vistas of Silicon Valley and the San Francisco Bay Area from its 2,800-foot summit. The park also features picturesque rolling, grass-covered hillsides, diverse woodlands, and riparian corridors along Permanente Creek.
Yes, a popular family-friendly destination within the park is Deer Hollow Farm. This working farm features animals like cows, pigs, goats, and chickens, an organic garden, and historic ranch buildings, making it a great stop for families. The restored Grant Cabin also offers a glimpse into the area's history.
The park is beautiful year-round. In spring, the grasslands are adorned with wildflowers. The rolling hills shift from green in winter to golden in summer and fall. While specific seasonal recommendations aren't provided, the diverse landscapes offer a rewarding experience in any season, though summer can be warm.
Yes, many of the gravel bike trails in Rancho San Antonio County Park are designed as loops. For instance, the White Oak Trail – Old Ranch Trail loop from Picchetti Ranch Open Space Preserve is a popular option, as is the Arastradero Lake – Bowl Loop Jumps loop from Los Altos.
The preserve is home to a variety of wildlife, enhancing the natural experience. You might spot bobcats, pumas, coyotes, deer, and numerous bird species, especially in the wooded canyons and along creek beds.
The park has designated parking areas. Many routes, such as the White Oak Trail – Old Ranch Trail loop, start from locations like Picchetti Ranch Open Space Preserve, which typically offers parking facilities. It's advisable to check specific trailhead information for parking availability.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the diverse landscapes, from expansive grasslands to varied woodlands, and the challenging climbs that reward riders with astounding views, particularly from Black Mountain.
Yes, for experienced riders seeking a challenge, there are 12 routes classified as difficult. These often feature significant elevation gain and longer distances. An example is the Stevens Creek Reservoir – Altamont Road Vineyard loop from Downtown Mountain View, which covers over 32 miles with substantial climbing.
Yes, the park features diverse woodlands and wooded canyons that offer shade, particularly welcome on warmer days. You'll ride through areas with valley oaks, California bay trees, big-leaf maples, cottonwoods, willows, Douglas firs, and California buckeyes, providing a change of scenery and cooler sections.


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