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wildlife refugeSFB

Don Edwards San Francisco Bay National Wildlife Refuge

California · CA

29K

Acres

9

Trails

Official sources & verification

Managed by US Fish and Wildlife Service

Verify before you go

Source of truth

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this park using the links above before you go — you are responsible for compliance. Last verified by us: Aug 16, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

Trails

All trails in Don Edwards San Francisco Bay National Wildlife Refuge

Alviso Slough Trail

San Jose2.0 mi
Trail
Apay Way to No Name to Red Hills Loop

Apay Way to No Name to Red Hills Loop

Fremont7.2 mi928 ftgain
TrailDifficulty: DifficultOut & Back
Don Edwards National Wildlife Refuge

Don Edwards National Wildlife Refuge

Alviso7.6 mi266 ftgain
TrailDifficulty: EasyOut & Back

Harrier Spur Trail

Fremont0.1 mi
Trail
Mallard Slough Trail

Mallard Slough Trail

Alviso4.4 mi148 ftgain
TrailDifficulty: EasyLoop

Ravenswood Trail

Menlo Park3.3 mi
Trail
Red Hill Loop Trail

Red Hill Loop Trail

Fremont1.4 mi305 ftgain
TrailDifficulty: EasyLoop
San Francisco Bay Trail - Sunnyvale to Sand Point

San Francisco Bay Trail - Sunnyvale to Sand Point

Sunnyvale19.9 mi866 ftgain
TrailDifficulty: EasyOut & Back
Tidelands Trail Loop

Tidelands Trail Loop

Newark1.5 mi213 ftgain
TrailDifficulty: EasyLoop

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Hunting in this park

This park overlaps hunting unit

During hunting seasons, wear blaze orange and check regulations — see the California hunting page

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