4.7
(110)
5,989
riders
39
rides
If you've ever tried to plan road cycling in Windy Hill Open Space Preserve, you know how overwhelming the options can be. With so many routes crisscrossing the preserve, it's tough to tell which ones are genuinely worth your time and effort, and which are just filler. We get it – you want the highlights, not the guesswork.
That's where we come in. Our komoot community has mapped, ridden, and reviewed countless routes here, allowing us to cut through the noise. This guide is your curated shortlist of the road cycling routes that truly deliver, saving you the hassle of endless research. Expect diverse terrain, from the breezy, grass-covered hilltop that gives the preserve its name, to redwood, fir, and oak forests. The preserve encompasses the eastern side of Skyline Ridge, offering panoramic views of the San Francisco Bay and Pacific Ocean, with options ranging from easy loops to challenging climbs.
For a classic experience, we'd start with the Old La Honda Road – Old La Honda Road loop from Portola Valley. At 9.4 miles (15.1 km) with 1,388 feet (423 m) of elevation gain, it's a moderate ride that gives you a real feel for the area's iconic climbs and descents. If you're looking for something a bit longer and more popular, the Rossotti's Alpine Inn – Arastradero Lake loop from Portola Valley is a fantastic choice at 8.4 miles (13.5 km), offering a moderate challenge and beautiful scenery. With more than 6,800 road cyclists having explored these routes with komoot, you know you're in good company.
Last updated: May 29, 2026
27
riders
21.4km
01:15
510m
510m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
3.0
(1)
6
riders
14.7km
00:47
260m
260m
The Portola Road – Old La Honda Road loop is a classic road cycling route that takes you through some of the Bay Area's most picturesque landscapes. You'll start with a gentle roll on Portola Road before tackling the renowned Old La Honda Road climb, a sustained ascent through oak woodlands that gradually gives way to tranquil redwood groves. This 9.1-mile (14.7 km) loop, with 838 feet (255 metres) of elevation gain, offers a rewarding challenge for cyclists, despite its overall easy rating, and can be completed in about 46 minutes.
Planning your ride is straightforward, as the route is well-known and easily accessible from Portola Valley. While the climb up Old La Honda Road is a highlight, its narrow, twisty nature means descending it is generally discouraged; many cyclists opt for alternative routes like Highway 84. Parking can be found in Portola Valley, though it's wise to arrive early on busy days to ensure a spot. The consistent grade and shaded sections of the climb make it enjoyable even during warmer periods.
Old La Honda Road is famous among local cyclists as a

Sign up for free
14
riders
14.5km
00:44
200m
200m
The Alpine Road loop from Portola Valley offers a delightful, quick escape for road cyclists, winding through the scenic Portola Valley community. You'll experience a consistent climb on the paved road, rewarded by stunning mountain views before a narrow, twisty descent under moderate tree cover. It's a perfect ride for those seeking a manageable workout and beautiful surroundings without an all-day commitment.
This easy racebike route covers 9.0 miles (14.5 km) with 668 feet (203 metres) of elevation gain, typically taking about 44 minutes to complete. Parking is usually accessible in Portola Valley, making it convenient to start your ride. While the paved road is generally good, be mindful that shoulders are often absent, and light car traffic can be present.
Historically, parts of Alpine Road were open to vehicular traffic before being repurposed into trails, highlighting the area's evolution for cyclists. This particular loop provides a taste of the region's natural beauty and challenging terrain, distinct from the much steeper unpaved sections like Joaquin Road, which are better suited for mountain or gravel bikes.
13
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4.7
(9)
331
riders
50.1km
02:58
930m
930m
The Junipero Serra Boulevard loop from West Menlo Park offers a dynamic road cycling experience, blending dedicated bike infrastructure with varied terrain. You'll pedal past the serene Crystal Springs Reservoir and follow Stevens Creek through forested sections, enjoying picturesque views of rolling hills. This route is a favorite for its combination of safety and scenic beauty, providing a true Bay Area cycling adventure.
Planning your ride, this difficult 31.1-mile (50.1 km) loop with 3059 feet (932 metres) of elevation gain will take you about 2 hours and 57 minutes. While the boulevard features generous bike lanes, car traffic can be present, especially during peak commute times. To enjoy the route with fewer fellow cyclists, aim for a weekday ride or an early start on a weekend morning, as good weather can make it quite popular.
Junipero Serra Boulevard is a vital artery for the local cycling scene, known for its well-maintained, paved surfaces and traffic calming measures that enhance safety. It serves as a gateway to many other popular routes, making it a cornerstone for cyclists in West Menlo Park and the surrounding areas. This loop is an excellent choice if you're looking for a substantial workout on a route that feels both connected to the community and immersed in natural beauty.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around Windy Hill Open Space Preserve
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.
0
0
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.
0
0
Didn’t OLR used to turn into Dirt before reaching Skyline? Is it all pavement now?? Scott
0
0
A sculpture made by Augustin Rodnin
0
0
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.
0
0
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.
0
0
While this is an expressway, there is good room for safe riding and most of the day it isn't too heavily trafficked which makes for a great, rolling straight run
1
0
Road cycling in Windy Hill Open Space Preserve offers a diverse experience. You'll encounter breezy, grass-covered hilltops, as well as sections through redwood, fir, and oak forests. The preserve features open grassland ridges, oak woodlands, and grassy meadows, providing varied ecosystems and scenic backdrops. While some sections can be steep, many lower trails are fire roads suitable for cycling.
The preserve offers a range of routes catering to different skill levels. You can find easy loops, moderate paths, and more challenging climbs. For instance, the Manzanita Way – Tree Tunnel on Portola Road loop from Portola Valley is considered easy, while routes like Old La Honda Road – Manzanita Way loop from Portola Valley are moderate, involving notable climbs and descents.
Road cycling in Windy Hill Open Space Preserve offers stunning panoramic views. From elevated points, especially the 1,905-foot summit, you can enjoy 360-degree vistas of both the San Francisco Bay and the Pacific Ocean. On clear days, you might even spot Stanford University, Mount Tamalpais, and Mount Diablo. The preserve's diverse trails also allow you to cycle through beautiful forested landscapes and open, grassy areas.
Yes, Windy Hill Open Space Preserve is rich in natural features and viewpoints. You can experience the distinctive, breezy, grass-covered hilltop, and cycle through areas with old-growth Douglas-Fir trees. Notable points include the Windy Hill Summit and the Windy Hill Open Space Preserve Scenic View. Sausal Pond is also a key natural feature, providing habitat for various wildlife.
Yes, parking is available. The Anniversary Trail, for example, connects two parking areas on Skyline Boulevard, providing convenient access for cyclists.
The preserve is known for its breezy conditions, which can be pleasant. Spring is particularly beautiful, as the grassy meadows burst with wildflowers. The area is often nourished by summer fog spilling over Skyline Ridge, contributing to a lush environment. The preserve opens a half-hour before sunrise and closes a half-hour after sunset, allowing ample time for rides throughout the day.
While some sections can be steep, the preserve offers a variety of trail types, including easier fire roads, that can be suitable for families. Routes like the Manzanita Way – Tree Tunnel on Portola Road loop from Portola Valley are rated as easy and lead through pleasant oak woodlands and open spaces.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 150 reviews. Reviewers often praise the diverse terrain, from open grasslands to redwood forests, and the stunning panoramic views of the San Francisco Bay and Pacific Ocean from the ridge tops.
There are over 35 road cycling routes available in Windy Hill Open Space Preserve, offering a wide range of options for different preferences and skill levels.
Yes, many of the road cycling routes in Windy Hill Open Space Preserve are designed as loops. Examples include the Rossotti's Alpine Inn – Junipero Serra Boulevard loop from Los Trancos Woods and the Tree Tunnel on Portola Road – Lower Kings Mountain Road loop from Portola Valley, allowing cyclists to start and finish at the same point.
Absolutely. Windy Hill Open Space Preserve is known for its ascents, with the preserve encompassing the eastern side of Skyline Ridge and reaching a 1,905-foot summit. Routes like the Old La Honda Road – Old La Honda Road loop from Portola Valley offer over 400 meters of elevation gain, providing a good challenge for road cyclists.


Browse the best Road cycling routes in other regions.