Birding spots · California
Best Birding Spots in Contra Costa County, California
Miller Knox Regional Shoreline leads Contra Costa County's birding spots with 203 species reported, best in fall. 197 spots in the county have enough data to rank.
Species counts are birds reported at least three times in that season at that spot, 2016–2025. Busy spots list more species simply because more people look, so compare the checklist counts. Spot names come from public map data and hotspot listings.