Length
1-1.4 mile loop

Amenities and Uses
Parking, restrooms near visitor center, drinking water, viewing scope, hiking, bicycling, dogs on leash

Trail Surface
Compacted gravel on level areas. Combination of paved and compacted dirt on steep slopes.

Highlights
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 Ridgway’s rail.

Connections to Other Trails
Connects to Harrier Spur Trail and Newark Slough Trail. Easy connection to LaRiviere Marsh Trail and Quarry Trail which leads to the Apay Trail in Coyote Hills Regional Park. Marshlands Rd. is part of the Bay Trail system and crosses over the Dumbarton Bridge.

Directions to Trailhead
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.

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