WhenToBird

Birding spots · South Dakota

Best Birding Spots in Harding County, South Dakota

The Castles National Natural Landmark leads Harding County's birding spots with 78 species reported, best in summer. 3 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
The Castles National Natural Landmark78108848614
Gardner Lake7389064192
Picnic Spring5664046380