Where to see a Gray Treefrog in Illinois

The Gray Treefrog is recorded in the counties of 64 Illinois state parks (research-grade iNaturalist observations). Ranked by how often it is observed in each area:

  1. Pere Marquette State Park
  2. Pere Marquette State Park Lodge and Cabins
  3. Goose Lake Prairie State Natural Area
  4. Gebhard Woods State Park
  5. William G. Stratton State Park
  6. Railsplitter State Park
  7. Johnson Sauk Trail State Park
  8. Lincoln Trail State Park
  9. Big River State Forest
  10. Delabar State Park
  11. Lincolns New Salem State Park
  12. Weldon Springs State Park
  13. Clinton Lake State Recreation Area
  14. Siloam Springs State Park
  15. Wayne Fitzgerrell State Park
  16. Sid Simpson State Park
  17. Stephen A Forbes State Park
  18. Morrison-Rockwood State Park
  19. Prophetstown State Recreation Area
  20. Beaver Dam State Park
  21. Campbells Island State Park
  22. Apple River Canyon State Park
  23. White Pines Forest State Park
  24. Castle Rock State Park
  25. Lowden State Park

These are county-level records โ€” the species is documented in the area around each park, which is a strong steer rather than a guarantee for the park itself.

Gray Treefrog in other states โ†’ ยท All Illinois state parks โ†’