Illinois Nature Preserves Commission Nature Preserve Directory

Area 1 Counties: Carroll, DeKalb, Jo Daviess, Lee, Ogle, Stephenson, Whiteside, Winnebago

Area 2 Counties: Boone, Cook, DuPage, Kane, Lake, McHenry

Area 3 Counties: Grundy, Iroquois, Kankakee, Kendall, LaSalle, Livingston, Will

Area 4 Counties: Adams, Brown, Fulton, Hancock, Henderson, Henry, Knox, McDonough, Mercer, Peoria, Pike, Rock Island, Schuyler, Stark, Warren

Area 5 Counties: Bureau, Cass, Christian, DeWitt, Greene, Logan, Macon, Macoupin, Marshall, Mason, McLean, Menard, Montgomery, Morgan, Moultrie, Putnam, Sangamon, Scott, Shelby, Tazewell, Woodford

Area 6 Counties: Champaign, Clark, Coles, Cumberland, Douglas, Edgar, Ford, Piatt, Vermilion

Area 7 Counties: Calhoun, Jersey, Madison, Monroe, Perry, Randolph, St. Clair, Washington

Area 8 Counties: Bond, Clay, Clinton, Crawford, Edwards, Effingham, Fayette, Franklin, Gallatin, Hamilton, Jasper, Jefferson, Lawrence, Marion, Richland, Saline, Wabash, Wayne, White

Area 9 Counties: Alexander, Hardin, Jackson, Johnson, Massac, Pope, Pulaski, Union, Williamson