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Prairie Supervisor's Office

The Supervisors Office and signage.

Address: 30239 S. State Route 53 Wilmington, IL 60481
Hours of Operation: May 2 to November 5: Mon - Sat, 8:00 a.m. to 4:30 p.m. | November to April: Mon - Fri, 8:00 a.m. to 4:30 p.m. | Trails: year-round, Mon - Sun, 4:00 a.m. to 10:00 p.m. (Closed on federal holidays)
Office Phone: 815-423-6370
Mailing Address: 30239 S. State Route 53 Wilmington, IL 60481

Additional Office Information

Fax: 1-815-423-6376

Directions:

  • From the I-80 exit for Wilmington
    • Exit onto Route 53 South
    • Travel south on Route 53 for 13 miles.
    • The Supervisor's Office/Welcome Center will be located on the left/east side of Route 53
  • From the I-55 exit for North River Road, Exit 241
    • Exit onto North River Road
    • Travel on North River Road for 4 miles.
    • Turn left/north at the stoplight onto Route 53
    • Travel north on Route 53 for 1 mile
    • The Supervisor's Office/Welcome Center will be located on the right/east side of Route 53

Printable Directions/Maps (PDFs):

Last updated March 12th, 2025