Where to see a Common Watersnake in Illinois

The Common Watersnake is recorded in the counties of 85 Illinois state parks (research-grade iNaturalist observations). Ranked by how often it is observed in each area:

1. Starved Rock State Park
2. Matthiessen State Park
3. Buffalo Rock State Park
4. Kankakee River State Park
5. Goose Lake Prairie State Natural Area
6. Silver Springs State Park
7. Siloam Springs State Park
8. Sangchris Lake State Park
9. Big River State Forest
10. State Park Place
11. Illini State Park
12. Nauvoo State Park
13. Delabar State Park
14. Channahon State Park
15. Fox River State Park
16. Beaver Dam State Park
17. Montebello State Park
18. Argyle Lake State Park
19. Sid Simpson State Park
20. Spring Lake State Park
21. Railsplitter State Park
22. Gebhard Woods State Park
23. Weinberg-King State Park
24. Horseshoe Lake State Park
25. Fort Creve Coeur State Park

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

Common Watersnake in other states → · All Illinois state parks →