
Coastal tidal marsh and shoreline with boardwalks, mudflats and bay views — prime for birding, intimate wetland details and wide San Pablo Bay panoramas. Visit at golden hour or low tide for dramatic reflections and shorebird activity. Small free parking lot at Refugio Valley Rd; trails are flat and stroller-friendly. Expect wind in afternoons; weekdays are quieter. No entry fee.

Coastal tidal marsh and shoreline with boardwalks, mudflats and bay views — prime for birding, intimate wetland details and wide San Pablo Bay panoramas. Visit at golden hour or low tide for dramatic reflections and shorebird activity. Small free parking lot at Refugio Valley Rd; trails are flat and stroller-friendly. Expect wind in afternoons; weekdays are quieter. No entry fee.