WhenToBird

Birding spots · Iowa

Best Birding Spots in Washington County, Iowa

Lake Darling State Park leads Washington County's birding spots with 150 species reported, best in spring. 2 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.

SpotSpeciesChecklistsWinterSpringSummerFall
Lake Darling State Park150291311057898
Marr Park696611405040