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Routes
Road cycling routes
United States
California
Santa Clara County
Mountain View

San Francisco Bay Trail

Moderate

3.1

(2)

44

riders

San Francisco Bay Trail

02:38

59.5km

50m

Road cycling

Cycle the moderate 37.0-mile San Francisco Bay Trail, gaining 166 feet of elevation with diverse Bay views and iconic bridges.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Don Edwards San Francisco Bay National Wildlife Refuge

Waypoints

A

Start point

Train Station

Get Directions

1

7.32 km

Shoreline Lake and Trailhead Palo Alto Wetlands

Highlight • Lake

Small parking area with trails leading east around Shoreline Lake, and west on a loop around part of the Palo Alto marsh.

Tip by

2

8.86 km

Road biker sculpture

Highlight • Monument

A modernist polished chrome/blue steel sculpture of a road biker holding a helmet on his bike marks the entrance to a trail leading into the Palo Alto wetlands off East Bayshore Road.

Tip by

3

12.4 km

San Francisquito Creek Friendship Bridge

Highlight (Segment) • Bridge

The flood prevention scheme on the San Francisquito creek is now complete, and the bridge has re-opened.

Tip by

4

18.9 km

Dumbarton Bridge

Highlight (Segment) • Bridge

The Dumbarton Bridge is the shortest and southernmost bridge across the San Francisco Bay. At 1.6 miles you can cross the water with nice views over the bay. Just keep an eye out for potholes, especially on the east side, as the road conditions aren't the best. That being said there was ongoing road works the last time I was in the area so hopefully things are improving.

Tip by

B

59.5 km

End point

Train Station

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Way Types & Surfaces

Way Types

43.3 km

10.1 km

5.25 km

472 m

272 m

181 m

Surfaces

46.1 km

12.5 km

778 m

159 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Thursday 7 May

18°C

12°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the San Francisco Bay Trail, and how difficult is it for road cycling?

The trail is primarily paved, making it suitable for road cycling. However, be prepared for some sections that may include dirt or gravel, particularly near natural habitats. The route is generally flat and considered easy to moderate, with minimal elevation changes, making it accessible for most cyclists. The main challenge can be the sheer length of the trail if you plan a longer ride.

What scenic viewpoints or landmarks can I expect to see along the route?

You'll enjoy diverse scenery including stunning views of the San Francisco Bay, waterfronts, and natural reserves. Notable landmarks along this route include the Shoreline Lake and Trailhead Palo Alto Wetlands, a unique Road biker sculpture, the San Francisquito Creek Friendship Bridge, and the iconic Dumbarton Bridge, which offers panoramic views as you cross.

When is the best time of year to cycle the San Francisco Bay Trail?

The trail is enjoyable year-round, but spring and fall generally offer the most pleasant weather for cycling, with mild temperatures and less chance of extreme heat or heavy rain. Summer can be warm, especially in inland sections, while winter can bring cooler temperatures and occasional wet conditions. Always check the local forecast before heading out.

Where can I park or access the trail using public transport?

Parking is available at various points along the trail, often near parks, marinas, or designated trailheads. Specific parking options will vary depending on your starting point. For public transport, many sections of the Bay Trail are accessible via local bus routes, Caltrain, or BART, though direct access points and bike-friendly policies should be verified with the respective transit agencies.

Are there any permits or entrance fees required for cycling, especially within the Don Edwards San Francisco Bay National Wildlife Refuge?

Generally, there are no permits or entrance fees required to cycle on the San Francisco Bay Trail itself, including sections that pass through the Don Edwards San Francisco Bay National Wildlife Refuge. The trail is designed to be free and accessible to the public. However, always be mindful of specific regulations within the refuge, such as staying on marked paths and respecting wildlife.

Is the San Francisco Bay Trail dog-friendly?

Yes, many sections of the San Francisco Bay Trail are dog-friendly. However, dogs are typically required to be on a leash at all times, and you must clean up after your pet. Specific rules can vary by jurisdiction and within sensitive natural areas like the Don Edwards San Francisco Bay National Wildlife Refuge, so always look for posted signage.

Does the trail intersect other well-known paths?

Yes, the route intersects with several other paths. Notably, it includes significant portions of the San Francisco Bay Trail itself (which makes up 59% of this route), and also passes through sections of the I-880 Corridor, Tasman / Alum Rock Light Rail Corridor, and the Highway 237 Trail/Calaveras Boulevard, among others.

What amenities are available along the route, such as water or cafes?

Amenities vary greatly along the extensive trail. In more urban or park-adjacent sections, you'll find restrooms, water fountains, and sometimes cafes or restaurants. However, some stretches, especially through natural reserves or less developed areas, may have limited services. It's always advisable to carry sufficient water and snacks, especially for longer rides.

Is this route suitable for families or beginner road cyclists?

Many segments of the San Francisco Bay Trail are relatively flat and separated from road traffic, making them ideal for families and beginner road cyclists. The route's moderate difficulty and scenic views provide an enjoyable experience for those looking for a relaxed ride. For this specific route, the 59.5 km distance might be a longer challenge for beginners, but shorter sections can be easily adapted.

What should I bring for a road cycling trip on the San Francisco Bay Trail?

For a comfortable ride, bring your road bike, a helmet, sufficient water, and snacks. Sun protection (sunscreen, sunglasses, hat) is essential, as many sections are exposed. A basic repair kit, including a spare tube and pump, is also recommended. Layered clothing is often best due to changing bay weather, and don't forget your phone for navigation and emergencies.

Are there any less crowded sections of the San Francisco Bay Trail for road biking?

While popular sections near urban centers can get busy, many parts of the Bay Trail offer a more tranquil experience. Generally, weekdays and early mornings tend to be less crowded. Exploring sections further from major population hubs or those that are still under development might also offer a quieter ride. The trail's vastness means you can often find peaceful stretches.

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Trail Reviews

David B. Davis
June 13, 2023, Flat loop: Dunbarton, Milpitas, Bay Trail

Did the stinky loop. Not too bad today because of the wind. Last 15 miles uphill, I mean, against the wind :(

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