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Road cycling routes
United States
California
San Mateo County

San Bruno

The best road cycling routes around San Bruno

By Fede from komoot

Β·

Updated May 29, 2026

If you've ever tried to plan road cycling around San Bruno, you know how overwhelming the options can be. Sifting through countless routes to find the ones genuinely worth your time and effort can feel like a full-time job, and it's hard to tell the highlights from the filler. We get it – the last thing you want is to waste precious saddle time on a route that doesn't deliver.

That's where komoot comes in. Our community has mapped, ridden, and reviewed the best road cycling routes in San Bruno, so we've done the legwork for you. This guide is your curated shortlist, designed to save you the guesswork and point you straight to the rides that are truly worth your legs.

Road cycling in San Bruno offers a fantastic mix of terrain. You'll find everything from flat lowlands near the Bay to the rolling hills of San Bruno Mountain, with plenty of lake views and occasional bay vistas to keep things interesting. The region splits nicely into distinct zones, from the scenic San Andreas Lake area to the more challenging climbs of San Bruno Mountain State and County Park. Expect a range of difficulties, from easy spins to demanding ascents, and if you're here in spring, the wildflowers on San Bruno Mountain are a magnificent bonus.

If you only do one ride, we'd start with the San Andrea's Lake View – San Andreas Lake loop from San Bruno. It's a moderate 29.2 miles (47.0 km) that delivers extensive lake views and varied terrain, making it a local favourite. For something more challenging, the difficult Lake Merced – Twin Peaks - North/Eureka Peak loop from West Field Road, at 41.1 miles (66.1 km) with significant climbing, offers a rewarding workout and incredible panoramas. With over 2,100 road cyclists having explored San Bruno with komoot, you're in good company. Dive in and discover your next favourite ride!

If you only do 3 of these routes

  1. 1

    San Andrea's Lake View – San Andreas Lake loop from San Bruno
  2. 2

    Brisbane Lagoon – Point San Bruno Park loop from San Bruno Mountain State and County Park
  3. 3

    Pacifica Beach Boulevard North – Pacifica Pier loop from Milagra Ridge

Compare these routes at a glance

Trail

Distance

Elevation

Difficulty

San Andrea's Lake View – San Andreas Lake loop from San Bruno

47.0Β km

610Β m

Moderate

Brisbane Lagoon – Point San Bruno Park loop from San Bruno Mountain State and County Park

34.4Β km

270Β m

Easy

Pacifica Beach Boulevard North – Pacifica Pier loop from Milagra Ridge

19.9Β km

300Β m

Easy

Lake Merced – Christmas Tree Viewpoint loop from West Field Road

67.1Β km

990Β m

Hard

San Andrea's Lake View – San Andreas Trail loop from San Bruno

17.2Β km

220Β m

Easy

Sneath Lane Trailhead – Sneath Lane Trail loop from Milagra Ridge

12.2Β km

280Β m

Moderate

Egg Rock β€” Devil's Slide – Gray Whale Cove State Beach loop from San Bruno

71.0Β km

1,020Β m

Hard

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1.

San Andrea's Lake View – San Andreas Lake loop from San Bruno

47.0km

02:16

610m

610m

The San Andreas Lake loop from San Bruno offers a truly serene road cycling experience, guiding you along the tranquil waters of San Andreas Lake and the Crystal Springs Reservoirs. This moderate 29.2-mile (47.0 km) route, with its 2005 feet (611 metres) of elevation gain, is primarily paved and takes about 2 hours and 16 minutes to complete, making it a fantastic option for a scenic and accessible ride. You'll enjoy consistent views of the water and surrounding hills, with the wilderness slope of Montara Mountain often in sight, all while cycling through refreshing riparian woodlands.

Planning your ride is straightforward, as the trail is well-maintained and suitable for road bikes. While specific trailhead parking from San Bruno isn't detailed, the route is part of a popular regional trail with amenities like restrooms and benches. Be aware of the 15 mph speed limit in certain sections, and if you prefer a car-free environment, consider riding on Sundays when a portion of CaΓ±ada Road is closed to traffic.

What makes this route particularly special is its unique geological position, as it lies directly atop the famous San Andreas Fault, lending the lake its name. Beyond its geological significance, the trail offers a quiet escape and opportunities for wildlife observation, all while cycling alongside a crucial water source for the region. It's a popular choice for Bay Area cyclists seeking both natural beauty and a connection to a significant natural landmark.

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3.

Pacifica Beach Boulevard North – Pacifica Pier loop from Milagra Ridge

19.9km

01:03

300m

300m

The Pacifica Beach Boulevard North – Pacifica Pier loop from Milagra Ridge offers a fantastic road cycling experience with dramatic coastal scenery. You'll start with expansive views from Milagra Ridge, looking out over the Pacific Ocean towards the Pacifica Pier and Mori Point, before descending to cycle along the oceanfront. The route blends paved roads and coastal paths, providing a diverse ride with plenty of opportunities to soak in the ocean air and potentially spot whales near the pier.

This easy 12.4-mile (19.9 km) loop, with 976 feet (297 metres) of elevation gain, is designed to be completed in about 1 hour and 2 minutes. Parking is available at Milagra Ridge, making it a convenient starting point. While the route is considered easy, the Pacifica area is known for its varied terrain, so be prepared for some gentle climbs and descents. Spring, particularly March and April, is a great time to visit when Milagra Ridge is covered in wildflowers.

Beyond the stunning views, this cycling route offers a glimpse into the area's history; Milagra Ridge was once a Nike missile site, with remnants still visible. The ride along Beach Boulevard provides direct access to the Pacifica Pier, a popular spot for whale watching. This loop is a great option for those seeking a relatively quick, high-reward road cycling experience in the San Mateo County area, combining natural beauty with a touch of local history.

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5.

San Andrea's Lake View – San Andreas Trail loop from San Bruno

17.2km

00:49

220m

220m

The San Andrea's Lake View – San Andreas Trail loop from San Bruno offers a peaceful road cycling experience with stunning views of San Andreas Lake and the broader San Francisco Peninsula. You'll pedal through lush riparian woodlands, especially along the Sawyer Camp segment, which runs beside the Crystal Springs Reservoir, providing a serene escape from urban life. The route features mostly well-maintained paved surfaces, making it a smooth ride, though you'll encounter slight hills that add a bit of a workout.

This easy 10.7-mile (17.2 km) loop, with a gentle 729 feet (222 metres) of elevation gain, is typically completed in about 49 minutes, making it suitable for most fitness levels. Be aware that a short 0.7-mile section of the San Andreas Segment is gravel and not suitable for road bikes, so you'll need to plan for a detour. For a special treat, check out "Bicycle Sundays" when parts of the connecting CaΓ±ada Road are closed to cars, offering an even more expansive car-free cycling experience.

What makes this route truly unique is its location directly atop the famous San Andreas Fault, giving your ride a fascinating geological dimension. It's part of the larger Crystal Springs Regional Trail, which includes the popular Sawyer Camp Trail, connecting multiple lakes and woodlands. This area also holds historical significance, having been a campsite for the PortolΓ‘ expedition in 1769, adding a layer of natural and cultural heritage to your ride.

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7.

Egg Rock β€” Devil's Slide – Gray Whale Cove State Beach loop from San Bruno

71.0km

03:42

1,020m

1,020m

The Egg Rock β€” Devil's Slide – Gray Whale Cove State Beach loop from San Bruno is a demanding road cycling route that promises dramatic coastal scenery and varied terrain. You'll traverse rolling hills near San Bruno before hitting the iconic Devil's Slide Trail, a paved multi-use path offering panoramic ocean views and glimpses of Egg Rock, a sea stack known for its bird colonies. The route, rated difficult, covers 44.1 miles (71.0 km) with 3334 feet (1016 metres) of elevation gain, typically taking around 3 hours and 41 minutes.

Planning your ride requires attention to coastal conditions; strong winds are common, so check the forecast before you head out. While the Devil's Slide Trail is smooth, be aware that some connecting roads, particularly along Highway 1, can be narrow and busy, requiring confident cycling skills. Spring offers the added bonus of vibrant wildflowers and the chance to spot gray whales during their migration.

This loop is notable for transforming a treacherous section of Highway 1 into the safe Devil's Slide Trail, offering a unique blend of history and natural beauty. It showcases diverse ecosystems, transitioning from urban-adjacent landscapes to stunning coastal bluffs and beaches like Gray Whale Cove, making it a challenging yet highly rewarding experience for road cyclists.

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Tips from the Community

Justis Reyes
June 5, 2026, Brisbane Lagoon

The road along the lagoon has wide cycle paths on both sides and low traffic into Oyster Park. It is however exposed to high winds so take care when riding. Smooth road right by the clear water in the shadow of Mt. Bruno make for a great bypass between SF and South SF that avoids the high traffic Bayshore Blvd and the hill.

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Nice section.

Translated by Googleβ€’

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The coastline is now being somewhat fortified.

Translated by Googleβ€’

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Wild coastline.

Translated by Googleβ€’

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Great view without fog.

Translated by Googleβ€’

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Looking northeast down the hill, on a clear day you can see all the way out across San Francisco Bay to Mount Diablo.

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San Andreas Lake is a hidden gem tucked into the hills of San Mateo County, just south of San Francisco. Originally a natural sag pond formed by the San Andreas Fault, it was transformed into a reservoir in the late 1800s and now serves as a vital water source for the region. The lake is off-limits for swimming or boating, but you can enjoy its peaceful beauty from the San Andreas Trail or the popular Sawyer Camp Trail, which runs along its eastern edge. It's a serene spot where you can walk or bike with sweeping views of the water and surrounding hills, all while standing right on one of the world’s most famous fault lines. Despite its proximity to urban life, San Andreas Lake offers a quiet, scenic escape steeped in natural and historical significance.

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This paved lot has a few parking spots that are designated for trail users. There is no water or restrooms available.

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Frequently Asked Questions

How many road cycling routes are available around San Bruno?

San Bruno offers a diverse network of over 10 road cycling routes. These routes cater to various skill levels, including easy, moderate, and challenging options, allowing cyclists to explore the region's unique topography.

Are there easy road cycling routes suitable for beginners in San Bruno?

Yes, San Bruno has several easy road cycling routes perfect for beginners. For instance, the San Andreas Lake – San Andrea's Lake View loop from San Bruno is an easy 9.2-mile (14.8 km) trail that offers pleasant lake vistas and can typically be completed in under an hour.

What kind of scenery can I expect on San Bruno's road cycling routes?

Road cycling around San Bruno is characterized by rolling hills and extensive lake views, particularly around San Andreas Lake and Lower Crystal Springs Reservoir. Many routes also provide occasional glimpses of the San Francisco Bay, offering a mix of natural landscapes and urban fringes.

What are the typical lengths and durations of road cycling loops in San Bruno?

The road cycling loops in San Bruno vary significantly in length and duration. You can find shorter routes like the San Andreas Lake – San Andrea's Lake View loop from San Bruno, which is about 9.2 miles (14.8 km) and takes around 42 minutes. Longer, more moderate routes, such as the San Andreas Lake – Oracle Lagoon loop from San Bruno, extend to about 37.4 miles (60.3 km) and can take nearly 3 hours to complete.

What do other road cyclists enjoy most about cycling in San Bruno?

The road cycling routes in San Bruno are highly rated by the komoot community, with an average score of 4.7 stars from over 55 reviews. Cyclists often praise the diverse terrain, the beautiful lake views, and the mix of gentle gradients with more challenging ascents, particularly around features like San Andreas Lake.

Are there challenging road cycling routes for experienced riders in San Bruno?

Yes, for experienced riders seeking a challenge, San Bruno offers routes with more significant elevation gains. While most routes are easy to moderate, there is at least one difficult route available, providing a good workout amidst the region's rolling hills.

What is the best time of year for road biking in San Bruno?

The San Bruno area generally enjoys mild weather, making road cycling enjoyable for much of the year. Spring and fall often provide ideal conditions with comfortable temperatures and less chance of extreme weather. Summer can be pleasant, though coastal fog might be present, while winters are typically mild but can bring rain.

Are there any notable landmarks or attractions along the road cycling routes?

Yes, several notable landmarks and natural attractions are accessible or visible from the road cycling routes. These include the scenic San Andreas Lake and Lower Crystal Springs Reservoir. You might also encounter parts of the Devil's Slide bikeway (old Hwy 1) or pass by San Bruno Mountain State & County Park.

Can I access San Bruno's road cycling routes using public transport?

San Bruno is well-served by public transportation, including BART and Caltrain, which can facilitate access to the general area. Many routes start or pass through areas that are reasonably close to public transport hubs, allowing cyclists to combine their ride with transit options. Check local transit schedules for specific bike-on-train policies.

Are there any road cycling routes that specifically offer bay views?

While many routes focus on lake views and rolling hills, some sections of San Bruno's road cycling network do offer occasional glimpses of the San Francisco Bay. These routes often traverse higher elevations or areas closer to the coastline, providing panoramic vistas of the bay.

Are there less crowded road cycling options in San Bruno?

To find less crowded road cycling options, consider exploring routes during off-peak hours, such as early mornings or weekdays. While popular routes like the San Andrea's Lake View – San Andreas Lake loop from San Bruno can see more traffic, the region's extensive network means you can often find quieter paths, especially on routes that venture further into natural landscapes away from main thoroughfares.

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