Don Edwards S. F. Bay National Wildlife Refuge
Alameda County, CA
Description: Hike along the Tidelands Trail in this 30,000 acre park of bay shoreline and marshes.
The Tidelands Trail is a relatively easy mostly gravel trail. It is the only trail that dogs are allowed on. You'll get nice views of the Dumbarton Bridge, salt flats, bay, and pennisula.
Nearest Town: Newark, CA