3010 West Winton Ave.
Hayward, CA 94545
Toll Free: 888-EBPARKS (888-327-2757), option 3, extension 4531
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Open between 5 a.m. and 10 p.m. unless otherwise posted or permitted
Click HERE for upcoming events
Grazing in the Parks
No reservable campgrounds
No reservable sites
1-888-EBPARKS or 1-888-327-2757
Hayward Regional Shoreline
- About The Park
- Park Activities
- Park Hiking Video
- Park Accessibility
- To Reach The Park
- Trail Map
Hayward Regional Shoreline consists of 1,811 acres of salt, fresh, and brackish water marshes, seasonal wetlands and public trails.
Cogswell Marsh, a 250-acre tidal marsh restoration and enhancement project, was completed in 1980. This area, once restored to tidal action, rapidly became an established saltwater marsh.
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Hayward Marsh, completed in 1985, is a 145-acre fresh and brackish water marsh and is somewhat unusual in that it relies on secondary treated effluent as the freshwater source. The marsh is made up of five managed ponds and has 15 islands that are utilized by many species of nesting birds. Flow through the five basins is controlled by a series of weirs, valves, and channels, and allows for great flexibility in operation, management and biological research.
Oro Loma Marsh was constructed in 1997 and consists of a 364-acre tidal marsh with seasonal wetlands and transitional uplands.
Hayward Shoreline has five miles of graveled public trails along the shoreline.
Levees were originally built in Hayward and San Lorenzo to create land for salt production, Landings were established in the 1850s to ferry passengers and move salt and agricultural products to San Francisco. Remnants of timbers at landing sites along the trail can be seen from the mudflats at low tide.
In order to protect wildlife, dogs are not allowed south of the West Winton Avenue flood control channel.
Levees were originally built in Hayward and San Lorenzo to create land for salt production. Landings were established in the 1850s to ferry passengers and move salt and agricultural products to San Francisco. Remnants of timbers at landing sites along the trail can be seen protruding from the mudflats at low tide. Back to top
Activities at the shoreline include hiking, bicycling, jogging, birdwatching, picnicking and fishing. Fishing is allowed from the levees, except in the marsh areas. A California State Fishing License is required for those age 16 and over. Picnicking is permitted, but there are no picnic tables at the park. Benches are located along the trail. Dogs are not allowed south of Winton Avenue to protect nesting and feeding wildlife.
Please remember during your hike or bicycle ride that many shoreline areas provide nesting habitat and feeding grounds for wildlife. In order to minimize human intrusion, please remain on the trail and observe specially signed restricted areas.
(Right-Click the box above and select Play to start the video)
There is one disabled parking stall at the Grant Ave staging area, but there are none at West Winton Ave. One disabled portable restroom is at the mouth of San Lorenzo Creek next to the information panel. Please make sure to bring drinking water because there are no wheelchair accessible drinking fountains in the park.
Trail Accessibility Report
Hayward Shoreline Loop Trail: Download PDF format
- To Reach Hayward Regional Shoreline: take I-880 (Nimitz Freeway) north from Fremont or south from Oakland to Hayward. Exit the freeway at West Winton Avenue and follow West Winton westwards toward the Bay to the staging area.
- To Reach the Grant Avenue Staging Area: take the Washington exit from I-880. Go south on Washington Avenue to Grant Avenue, and right on Grant Avenue to the staging area. The staging area is on the right side of the road about 100 yards from the end of Grant Avenue.
AC Transit #86 operates from Hayward and South Hayward BART stations to West Winton Avenue and Cabot Blvd. for a .7-mile walk west into the park. Please call to confirm bus schedule.
BART: (510) 464-6000
AC Transit: 511 (TDD/TTY: 1-800-448-9790) or Transit.511.org
Click the map image below to see an enlarged version.
Directions for navigating the enlarged map:
When the enlarged version of the map opens click on the 'Full Expand' icon in the lower right hand corner of the map to see the 'Actual Size' map.
When the 'Actual Size' map is viewable, you can 'Click-Hold and Drag' the mouse button (left on a PC) to reposition the map, as desired.
'Single-Click' on the 'Enlarged' or 'Actual Size' map to return to the park page.
Hayward Podcast (duration: 3 min 17 sec): Park introduction, then description of 3- to 5-mile easy loop hike:West Winton Avenue Staging Area to Cogswell Marsh Loop Trail, to West Winton Avenue Staging Area.
Optional continuation to the Hayward Shoreline Interpretive Center.
(03 min.: 17 sec.)
Click on the images below to download PDF versions.