Illinois DNR offers services at various office locations around the state of Illinois, listed below.
In addition, the department is organized into numerous functional offices that are listed on the right navigation bar.
Information about the Department and its programs, services, policies and procedures is available at the following locations:
Springfield
One Natural Resources Way
Springfield, IL 62702-1271
217-782-6302
Region I - Northwestern Illinois
For all inquiries, please contact
Morrison Rockwood State Park
815-772-4708
Region II Office - Northeastern Illinois
2050 West Stearns Road
Bartlett, IL 60103
847-608-3100
Region III Office - East Central Illinois
7240 Ranger Road
DeWitt, IL 61735
217-935-6860
Region IV Office - West Central Illinois
For all inquiries, please contact
Pere Marquette State Park
618-786-3323
Region V Office - Southern Illinois
11731 State Highway 37
Benton, IL 62812
618-435-8138
Illinois State Museum
502 South Spring Street
Springfield, IL 62706
217-782-7386
James R. Thompson Center
100 W. Randolph St., Suite 4-300
Chicago, IL 60601
312-814-2070