Utility Links

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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:

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   ​​