Birding spots · Idaho
Best Birding Spots in Cassia County, Idaho
Sawtooth National Forest leads Cassia County's birding spots with 115 species reported, best in summer. 18 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.
| Spot | Species | Winter | Spring | Summer | Fall |
|---|---|---|---|---|---|
| Sawtooth National Forest | 115 | 10 | 60 | 104 | 44 |
| Castle Rocks State Park | 89 | 2 | 51 | 72 | 18 |
| Sawtooth National Forest (Little Fork Spring) | 88 | 2 | 34 | 81 | 38 |
| City of Rocks Natural Reserve | 86 | 0 | 60 | 78 | 17 |
| Big Cottonwood Wildlife Management Area | 73 | 11 | 43 | 56 | 0 |
| Castle Rocks State Park (Stines Creek) | 67 | 0 | 37 | 44 | 9 |
| Sawtooth National Forest (Land Spring) | 63 | 0 | 0 | 56 | 28 |
| Lake Cleveland | 59 | 0 | 0 | 56 | 20 |
| Harrington Fork | 59 | 0 | 34 | 30 | 9 |
| Porcupine Spring | 58 | 0 | 0 | 58 | 2 |
| City of Rocks Natural Reserve (Bath Rock) | 55 | 2 | 22 | 45 | 11 |
| Third Fork Rock Creek | 54 | 2 | 15 | 37 | 11 |
| City of Rocks National Reserve | 53 | 0 | 25 | 40 | 7 |
| City of Rocks National Reserve (Steinfells Dome) | 52 | 0 | 31 | 35 | 6 |
| Pike Mountain Spring | 48 | 0 | 8 | 47 | 14 |
| Birding spot near Oakley (north) | 65 | 0 | 35 | 51 | 9 |
| Birding spot near Oakley | 55 | 4 | 24 | 42 | 9 |
| Birding spot near Oakley (Almo) | 54 | 17 | 29 | 29 | 17 |