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  1. Illinois DNR
  2. About Us
  3. Agency Offices

Illinois DNR Offices

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:

One Natural Resources Way
Springfield, IL 62702-1271

Region I - Northwestern Illinois
For all inquiries, please contact
Morrison Rockwood State Park

Region II Office - Northeastern Illinois
2050 West Stearns Road
Bartlett, IL 60103

Region IV Office - West Central Illinois
For all inquiries, please contact
Pere Marquette State Park

Region V Office - Southern Illinois
11731 State Highway 37
Benton, IL 62812

Illinois State Museum
502 South Spring Street
Springfield, IL 62706

James R. Thompson Center
100 W. Randolph St., Suite 4-300
Chicago, IL 60601
312-814-2070   ​​