San Tomas Aquino Creek – Alviso Marina County Park loop from Downtown Mountain View

Bike touring routes & trails

San Tomas Aquino Creek – Alviso Marina County Park loop from Downtown Mountain View

Moderate

4.6

(2856)

17,810

riders

San Tomas Aquino Creek – Alviso Marina County Park loop from Downtown Mountain View

04:55

76.5km

130m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: July 20, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Ravenswood Open Space Preserve

Don Edwards San Francisco Bay National Wildlife Refuge

Waypoints

Start point

Train Station

Get Directions

1.35 km

Stevens Creek Trail Bridge Over Central Expressway

Highlight • Bridge

Here, Stevens Creek Trail Bridge passes over Central Expressway. This bridge is for bike and foot traffic only. It has a wooden broadwalk and has fencing over the sides and top, totally closing it in.

Tip by

11.1 km

Sunnyvale East Channel

Highlight • River

Bikers on the SF Bay Trail can enjoy great views of the Sunnyvale East Channel, part of the extensive drainage and flood control network in the South Bay Area. The channel manages stormwater runoff and prevents flooding in nearby urban areas, draining into the San Francisco Bay. The trail is a peaceful spot to appreciate both nature and regional water management efforts.

Tip by

13.6 km

San Tomas Aquino Creek

Highlight • River

The SF Bay Trail crosses over the San Tomas Aquino Creek, offering an option to pass under Highway 237. This section of the trail provides a scenic route with multiple paths for cyclists and hikers to explore. San Tomas Aquino Creek, a 16.5-mile stream flowing from El Sereno mountain through several cities before reaching the Guadalupe Slough. This creek has played an important role in historical land grant boundaries in the 1850s. While it has seen habitat changes, native fish species, such as rainbow trout, persist in the creek, and in 1996, a large Chinook salmon was seen.

Tip by

16.0 km

Alviso Marina County Park

Highlight • Rest Area

Alviso Marina County Park, located along Alviso Slough, serves as the gateway to the Don Edwards San Francisco Bay National Wildlife Refuge. This 20.6-acre park offers opertunities for hiking, biking, bird watching, and kayaking, with scenic views of the surrounding mountains and wildlife. Visitors can explore the park's boardwalks, picnic areas, and boat launch, which has access to San Francisco Bay. The park is part of the San Francisco Bay Area Water Trail and is ADA-compliant, ensuring accessibility for all visitors.

Tip by

23.3 km

Viewpoint

55.1 km

Bayfront Bike Trail Junction with SF Bay Trail

Highlight • Cycleway

The well-paved SF Bay trail crosses Bayfront Expressway to swing North to South, while a paved trail continues East across the Dumbarton Bridge.

Tip by

65.3 km

Pelican Island at Adobe Creek

Highlight • Lake

This spot is a fantastic place to view the many American White Pelicans and other birds on the island of Adobe Creek. A lovely bench is here, ideal for taking a quiet break and capturing some beautiful photos.

Tip by

67.6 km

Shoreline Lake

Highlight • Lake

The Shoreline Regional Park was created in the 1960s, 70s and 80s from an area of landfill, wasteland, wetland and old farm land. It's now capped and managed as a leisure facility, with the 50 acre saltwater lake as the centrepiece. Used for sailing and other leisure activities, the perimeter path is a multi-user trail, perfect for a gentle bike ride.

Tip by

71.6 km

Stevens Creek bridge

Highlight • Bridge

Here you can just drive beautifully along the bay.

Translated by Google •

Tip by

76.5 km

End point

Train Station

Way Types & Surfaces

Way Types

48.2 km

12.6 km

8.48 km

4.43 km

2.72 km

< 100 m

Surfaces

42.2 km

17.5 km

14.3 km

1.46 km

1.18 km

Elevation

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

Weather

Today

Wednesday 14 October

27°C

8°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

to get more detailed weather forecasts along your route

Comments

April 9, 2023,around bay

Around south bay for the first time, the longest ride I have been on so far.

August 16, 2025,Shoreline Trail to Dumbarton Bridge

Super chill ride today, mix of road and gravel, with some nice shoreline views. Honestly probably the flattest 50 miles you can do in California 😂. Zero stress, just spinning the legs and enjoying the scenery out to Dumbarton and back. Perfect recovery/laid-back route.

October 1, 2022,Dumbarton bridge loop

Would I do this bike ride again? I don't think so. On the Fremont side it was pretty much asphalt and concrete, i.e. not that enjoyable. The highlights were the Guadalupe river trail (San Jose to Alviso), the view from the top of Dumbarton bridge, and the Bay trail in the marshes on the West side. But there are much …