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Road cycling routes
United States
California
Santa Clara County

Rancho San Antonio Open Space Preserve

The best road cycling routes in Rancho San Antonio Open Space Preserve

By Fede from komoot

·

Updated May 29, 2026

If you've ever tried to plan road cycling in Rancho San Antonio Open Space Preserve, you know how quickly the options can become overwhelming. With so many trails, it's tough to tell which routes are genuinely worth your time and effort, and which are just filler. That's where komoot comes in. Our community has meticulously mapped, ridden, and reviewed these routes, so we've done the legwork to bring you a curated shortlist of the very best.

Road cycling here is a true Bay Area gem, offering a fantastic mix of rolling hills, open grasslands, and serene wooded canyons across its more than 4,000 acres. You'll find everything from gentle inclines to demanding climbs, with views stretching towards the Santa Cruz Mountains. The preserve's extensive network of over 25 miles of trails provides diverse experiences for all levels.

If you only do one route, we'd point you straight to the challenging Alpine Road Loop, a substantial 57.2 miles (92.0 km) with significant elevation gain that rewards you with panoramic views. For another epic ride, the Stevens Creek Reservoir – Skyline Boulevard loop from Rancho San Antonio County Park, at 67.4 miles (108.5 km), traverses ridge lines for expansive vistas. With more than 8,000 road cyclists having explored these routes with komoot, you can trust you're in good company.

If you only do 3 of these routes

  1. 1

    Alpine Road Loop
  2. 2

    Steven's Creek Trail bridge – Stevens Creek Reservoir loop from Cupertino
  3. 3

    Junipero Serra Boulevard – Palo Alto-Los Altos Bike Path loop from Loyola Corners

Compare these routes at a glance

Trail

Distance

Elevation

Difficulty

Alpine Road Loop

92.0 km

1,830 m

Hard

Steven's Creek Trail bridge – Stevens Creek Reservoir loop from Cupertino

110 km

2,260 m

Hard

Junipero Serra Boulevard – Palo Alto-Los Altos Bike Path loop from Loyola Corners

33.6 km

170 m

Moderate

Adobe Creek – Elena Road Viewpoint loop from Loyola Corners

38.0 km

360 m

Moderate

Moffett Boulevard Bike Bridge – San Tomas Aquino Creek loop from Loyola Corners

45.8 km

100 m

Moderate

Adobe Creek – Los Altos Entrance Sign loop from Monta Vista High School

24.0 km

300 m

Moderate

Adobe Creek loop from Rancho San Antonio County Park

19.4 km

250 m

Easy

Los Altos Entrance Sign – Lincoln Park loop from Rancho San Antonio County Park

20.2 km

150 m

Easy

Adobe Creek – Moody Road Climb loop from Los Altos

14.4 km

210 m

Easy

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1.

Alpine Road Loop

92.0km

05:05

1,830m

1,830m

The Alpine Road Loop is a challenging road cycling route that winds through the stunning Uinta-Wasatch-Cache National Forest, offering a demanding experience for seasoned cyclists. You'll navigate steep hills and switchbacks, particularly on the initial

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7.

Adobe Creek loop from Rancho San Antonio County Park

19.4km

01:05

250m

250m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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Tips from the Community

Migdał
February 17, 2025, The Burghers of Calais at Stanford University

A sculpture made by Augustin Rodnin

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good

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The Palo Alto-Los Altos Bike and Pedestrian Path, also known as the Hetch Hetchy Trail, is a well-maintained multi-use route that connects Los Altos Avenue to Arastradero Road. It’s popular for biking, running, and hiking, offering scenic views and access to parks like Terman Park, Bol Park, and Barron Park Donkeys. The trail includes a mini library and is part of Henry M. Gunn High School's recommended walking routes.

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Big Basin Redwoods State Park has reopened for limited day use following the 2020 CZU Lightning Complex Fire. Visitors can explore trails like Redwood Loop and Meteor Trail, where resilient redwoods stand alongside new growth. Parking is $6 per vehicle with a $2 reservation fee or $10 without reservations. Rancho del Oso, the park’s coastal area, requires no reservations or fees. Dogs, horses, and mountain bikes are welcome in designated areas, while drones are prohibited. Road biking is allowed on all roads.

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Alex
January 25, 2025, Stevens Creek Reservoir

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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Charming bridge crossing Seven's Creek Boulevard at the north end of Creekside Park. Nearby, you’ll find the historic Stocklmeir Farmhouse in Blackberry Farm Park.

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maniboyflex
January 18, 2025, Levi's Stadium

Home to the San Francisco 49ers, Levi’s Stadium is a modern hotspot for football and concerts. Opened in 2014, it’s known for its sleek design and awesome views of Silicon Valley.

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From Elena Road, you’ll be treated to breathtaking views of the bay and surrounding hills. The vantage point offers a peaceful scene of the landscape, showcasing the natural beauty of the Bay Area.

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Frequently Asked Questions

How many road cycling routes are available in Rancho San Antonio Open Space Preserve?

There are over 170 road cycling routes available in Rancho San Antonio Open Space Preserve, catering to various skill levels and preferences.

Are there road cycling routes suitable for beginners in Rancho San Antonio?

Yes, Rancho San Antonio Open Space Preserve offers a good selection of routes for beginners. Approximately 80 easy routes are available, providing gentler terrain for those new to road cycling or looking for a relaxed ride.

What are some challenging road cycling routes for experienced riders in the preserve?

For experienced riders seeking a challenge, the preserve features about 20 difficult routes. Notable options include the Alpine Road Loop, a 57.2-mile route with substantial elevation gain, and the Stevens Creek Reservoir – Skyline Boulevard loop, which traverses ridge lines offering expansive vistas.

What kind of terrain can I expect on road cycling routes in Rancho San Antonio?

Road cycling in Rancho San Antonio Open Space Preserve is characterized by rolling hills, open grasslands, and wooded canyons. You'll find varied terrain with elevations ranging from gentle inclines to significant climbs, often providing views towards the Santa Cruz Mountains.

Are there any scenic viewpoints or attractions along the road cycling routes?

Yes, many routes offer scenic views. You can find highlights such as High Meadow Vista Point and View of San Francisco Bay from Upper High Meadow Trail. Some routes also pass by prominent natural features like Black Mountain.

What is the best season for road biking in Rancho San Antonio Open Space Preserve?

The preserve is generally enjoyable year-round, but spring and fall offer the most pleasant conditions with mild temperatures and vibrant landscapes. Summers can be warm, especially in the open areas, while winters are typically mild but may bring occasional rain.

Are there loop trails available for road cycling?

Yes, many road cycling routes in Rancho San Antonio are designed as loops. For example, the Altamont Road Vineyard – Elena Road Viewpoint loop offers a moderate 19.2-mile ride, and the Junipero Serra Boulevard – Palo Alto-Los Altos Bike Path loop is a popular 22.4-mile option.

What do other road cyclists enjoy most about the routes in Rancho San Antonio?

The routes in Rancho San Antonio Open Space Preserve are highly rated by the komoot community, with an average score of 4.6 stars from over 300 reviews. Cyclists frequently praise the varied terrain, panoramic views, and the sense of natural escape the preserve offers.

Is there parking available at the trailheads for road cyclists?

Yes, parking is available at various access points and trailheads around Rancho San Antonio Open Space Preserve. Specific parking details can often be found on individual route pages on komoot or on the preserve's official website.

Are there any cafes or places to refuel near the road cycling routes?

While the preserve itself is primarily natural open space, you'll find cafes and amenities in the nearby towns and communities surrounding Rancho San Antonio, such as Los Altos and Cupertino, which are easily accessible from many routes.

How long do road cycling routes typically take to complete in Rancho San Antonio?

Route durations vary significantly based on distance and difficulty. An easy route might take less than an hour, while more challenging and longer routes, like the Alpine Road Loop, can take around 5 hours to complete.

Can I expect to see wildlife while road cycling in the preserve?

Rancho San Antonio Open Space Preserve is home to various wildlife, including deer, coyotes, and a wide array of bird species. While road cycling, you have a good chance of observing local fauna, especially during quieter times of the day.

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