Rancho San Antonio Open Space Preserve
Rancho San Antonio Open Space Preserve
4.5
(264)
8,444
riders
14
rides
No traffic road cycling routes in Rancho San Antonio Open Space Preserve traverse a diverse landscape characterized by rolling, grass-covered hills, oak woodlands, and steep canyons. The preserve features a network of designated trails that offer varied terrain, from gentle ascents along riparian habitats to challenging climbs towards prominent features like Black Mountain. Cyclists can explore areas with chaparral and grasslands, experiencing the region's natural beauty and scenic viewpoints.
Last updated: May 14, 2026
46
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
22
riders
21.5km
01:07
330m
330m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(2)
84
riders
27.2km
01:37
700m
700m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(2)
32
riders
23.9km
01:11
320m
320m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
12
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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Popular around Rancho San Antonio Open Space Preserve
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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Downtown Los Altos is a charming six-block, pedestrian‑friendly village centered on Main and State Streets. The tree-lined streets are full of cafés, restaurants, and shops.
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The Northern part of Alpine Road is a paved and curvy descent through wooded areas and runs parallel to Coal Mine Ridge Preserve, eventually connecting with the trailhead there.
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This mostly paved bike trail alongside Alpine Road is great for bike commuting — just don't run over any slower trail users! The trail runs all the way from Portola Valley to Stanford, offering some nice shade along the way. The brief moments of unpaved trail are near the Portola Valley end.
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Great paved road that takes you through Picchetti Ranch Open Space Preserve. On clear days, there are great views of the Cupertino valley and the San Francisco Bay.
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Page Mill Road is a classic route for cyclists looking for a challenge, with its steep climbs, sharp switchbacks, and stunning views of Silicon Valley. Starting near Palo Alto and climbing into the Santa Cruz Mountains, the ride tests your legs but rewards you with breathtaking scenery. Be prepared for varying gradients, especially in the lower sections, and pack plenty of water—the climb can be intense, especially on warmer days.
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Black Mountain, situated on Monte Bello Ridge, is a popular destination for hikers and mountain bikers. With an elevation of 2,812 feet, it's easy to understand why. From the summit, the views of the Santa Cruz Mountains and Silicon Valley are breathtaking.
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This fantastic tavern, founded in 1852, is the second oldest in the state. It features a large, beer garden-style outdoor area with plenty of shade. An extensive beer and food menu makes it a perfect stop to enjoy a brew and some great food after a ride.
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There are over 20 dedicated traffic-free road cycling routes in Rancho San Antonio Open Space Preserve. These routes offer a variety of experiences, from easy spins to more challenging climbs, all designed to keep you away from vehicle traffic.
Yes, Rancho San Antonio Open Space Preserve offers several easy road cycling routes perfect for beginners or families. For example, the Moody Road Climb – Adobe Creek loop from Los Altos is an easy option with manageable elevation, allowing for a pleasant ride without significant traffic concerns. The preserve also features attractions like Deer Hollow Farm, which is popular with families.
The routes in Rancho San Antonio Open Space Preserve feature a diverse Californian landscape, including rolling, grass-covered hillsides and oak woodlands. You can expect varying elevations, from gentle inclines on easier routes to more challenging climbs towards prominent features like Black Mountain. For instance, the Adobe Creek – Altamont Road Vineyard loop from Los Altos Hills includes over 800 meters of elevation gain.
Absolutely. Experienced riders looking for a challenge will find routes with significant climbs and rewarding views. The preserve's network includes ascents towards Black Mountain, offering strenuous efforts. The Black Mountain – Montebello Road loop from Picchetti Ranch Open Space Preserve is a moderate route that includes substantial elevation gain, providing a good workout.
The preserve is beautiful year-round. Winter brings green, grass-covered hillsides, while spring bursts with wildflowers. Summer and fall offer golden landscapes. For road cycling, spring and fall generally provide the most comfortable temperatures. However, the diverse ecosystems and varied scenery make it enjoyable in any season, just be mindful of potential heat in summer.
Many routes offer stunning views. You can experience panoramic vistas of the Santa Cruz Mountains, Silicon Valley, and the San Francisco Bay Area from higher elevations like Black Mountain or High Meadow Vista Point. The preserve also features diverse ecosystems, historical sites like Grant Cabin, and the popular Deer Hollow Farm.
Yes, Rancho San Antonio Open Space Preserve is easily accessible and offers amenities such as parking. You'll find designated parking areas, making it convenient to start your road cycling adventure. The preserve is located off Interstate 280 near Los Altos and Cupertino.
Rancho San Antonio Open Space Preserve is accessible, and while direct public transport to trailheads might be limited, you can research local bus routes that serve the Los Altos and Cupertino areas, which are close to the preserve's entrances. It's advisable to check current schedules and routes with local transit authorities.
Yes, many of the road cycling routes in Rancho San Antonio Open Space Preserve are designed as loops, allowing you to start and finish at the same point without retracing your steps. This provides a varied and engaging experience. An example is the Moody Road Climb – Altamont Road Vineyard loop from Los Altos Hills.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the quiet, traffic-free nature of the routes, the stunning panoramic views from elevated points, and the diverse natural beauty of the preserve, from oak woodlands to rolling hills.
While the preserve has a mix of multi-use trails, the designated road cycling routes often utilize paved or well-maintained surfaces suitable for road bikes, ensuring a smooth, traffic-free experience. Always check individual route details for specific surface information.
Rancho San Antonio Open Space Preserve offers amenities such as picnic tables and drinking water at various points. It's always a good idea to carry sufficient water, especially on longer rides, but you can find facilities within the preserve.


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