Utility Links

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Illinois DNR Offices

Illinois DNR offers services at various office locations around the state of Illinois, listed below.

Office Locations

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
    Blackhawk State Historic Site
    1510 46th Avenue
    Rock Island, IL 61201
    309-788-0418

  • Region II Office - Northeastern Illinois

  • James Pate Philip State Park
    2050 West Stearns Road
    Bartlett, IL 60103
    847-608-3100 Hours M-F 8:00-4:30

  • 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
    Permanently Closed
    Please contact Springfield Office
    217-782-6302  

DNR Functional Offices

In addition, the department is organized into numerous functional offices.