Where to see a Brown Rat in California

The Brown Rat is recorded in the counties of 141 California state parks (research-grade iNaturalist observations). Ranked by how often it is observed in each area:

1. McLaughlin Eastshore State Park
2. Lake Del Valle State Recreation Area
3. Bethany Reservoir State Recreation Area
4. Negro Bar State Park
5. Mormon Island Wetlands State Park
6. Brannan Island State Recreation Area
7. MacKerricher State Park
8. Big Basin Redwoods State Park
9. Año Nuevo State Park
10. Donner Memorial State Park
11. Butano State Park
12. Sunset State Beach
13. Manresa State Beach
14. Montara State Beach
15. Jackson State Forest
16. Pacifica State Beach
17. Pomponio State Beach
18. Seacliff State Beach
19. Thornton State Beach
20. Van Damme State Park
21. Greenwood State Beach
22. Manchester State Park
23. Pescadero State Beach
24. Castle Rock State Park
25. Hendy Woods 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.

Brown Rat in other states → · All California state parks →