Tidelands Trail is 1.8 miles. It is a loop trail. This trail allows walkers, bicycles and dogs on leash.

photo: Tidelands Trail in SF Bay NWR. Photo by Ambarish Goswami.

Length: 1.30 miles
Loop Trail? No
Agency: U.S. Fish & Wildlife Service
Entry Fee? No
Parking Fee? No

Allowed Uses:

Bicycling (on pavement)
Dogs - On leash
Pedestrian - Walking/Hiking/Running
Wildlife Observation

See more details.


Location: Suburban, At San Francisco Bay NWR, accessed at interpretive center at E end of Dumbarton Bridge across the bay.
State(s): California
Counties: Alameda
Longitude: -122.07301
Latitude: 37.53247

Driving Directions

From HWY 84 on the east side of the Dumbarton Bridge, take Thornton Ave. exit. Drive 0.6 miles south on Thornton Ave. Turn right to Marshlands Rd. Turn left into the parking lot at the stop sign. The trail starts near the flagpole.


The Tidelands Trail traverses uplands, tidal slough, salt pond, and tidal salt marsh. Shorebirds and grebes are plentiful in the pond during the winter,and Forster’s tern and American Avocets in the summer. The tidal marsh is home to the endangered Ridgeway Quail.

Additional Details

Width: 72 inches.
Primary Surface: Soil
Secondary Surface: None
Elevation Low Point: Not Available
Elevation High Point: Not Available
Elevation Gain (cumulative): Not Available

Year Designated:

Supporting Webpages and Documents

Map: USFWS Trail Map

Contact Information

For more information and current conditions, contact the trail manager (listed below). For questions, suggestions, and corrections to information listed on the website, contact American Trails.

Trail Management:
Matt Brown
Don Edwards SF NWR Manager
US Fish and Wildlife Service
Don Edwards San Francisco Bay National Refuge
1 Marshlands Rd.
Fremont, CA 94536
(510) 792-0222



Tidelands Trail in SF Bay NWR. Photo by Ambarish Goswami.

Tidelands Trail in SF Bay NWR. Photo by Ambarish Goswami.


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