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.
Birds: shorebirds, waterfowl, swallows.
Hiking Difficulty: 2
Directions (four options):
Option 1, via 680 South:
- Take 680 south
- Take 580 west
- Take 238 west
- Take 880 south
- Take 92 towards San Mateo Bridge
- Exit at Clawiter, go left, then make a quick right on Breakwater
- Follow Breakwater (it's a frontage road along 92) west until you reach the Hayward Shoreline Interpretive Center
Option 2, via 680 South:
- Take 680 south
- Take Crow Canyon Exit
- Take Crow Canyon west to Castro Valley Blvd
- Take 238 west
- Take 800 south
- Take 92 towards San Mateo Bridge
- Exit at Clawiter, go left, then make a quick right on Breakwater
- Follow Breakwater (it's a frontage road along 92) west until you reach the Hayward Shoreline Interpretive Center
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Option 3, via 24 West:
- Take hwy 24 west
- Take 980, which goes directly onto 880 south
- Take hwy 92 towards San Mateo Bridge
- Exit at Clawiter, go left, then make a quick right on Breakwater
- Follow Breakwater (it's a frontage road along 92) west until you reach the Hayward Shoreline Interpretive Center
Option 4, via 24 West:
- Take hwy 24 west
- Take hwy 13 south to 580 south
- Take hwy 238 west to 880 south
- Take 92 west towards San Mateo Bridge
- Exit at Clawiter, go left, then make a quick right on Breakwater
- Follow Breakwater (it's a frontage road along 92) west until you reach the Hayward Shoreline Interpretive Center
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Hiking Difficulty codes:
1=Easy, very few hills to climb
2=Moderately Easy, some small hills to climb
3=Challenging, flat land ranging to gentle to some steep slopes
4=Difficult, some very steep hills to climb
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