Atwood Homestead County Forest Preserve Atwood Homestead County Forest Preserve Winnebago 735 South Beloit
Black Partridge Forest Preserve Black Partridge Forest Preserve Cook 650 Romeoville
Elburn County Forest Preserve Elburn County Forest Preserve Kane 879 Elburn
Elizabeth A Conkey Forest Elizabeth A Conkey Forest Cook 620 Palos Park
Fabyan County Forest Preserve Fabyan County Forest Preserve Kane 791 Aurora North
Hampshire Forest Preserve Hampshire Forest Preserve Kane 1001 Pingree Grove
Hononegah County Forest Preserve Hononegah County Forest Preserve Winnebago 748 South Beloit
Johnsons Mound County Forest Preserve Johnsons Mound County Forest Preserve Kane 801 Sugar Grove
Kilbuck Bluffs County Forest Preserve Kilbuck Bluffs County Forest Preserve Winnebago 722 Rockford South
Laona Heights Forest Preserve Laona Heights Forest Preserve Winnebago 902 Durand
Macktown County Forest Preserve Macktown County Forest Preserve Winnebago 768 South Beloit
Sand Ridge State Forest Sand Ridge State Forest Mason 499 Manito
Spring Branch State Conservation Area Spring Branch State Conservation Area Peoria 446 Chillicothe
Spring Creek Valley Forest Preserve Spring Creek Valley Forest Preserve Cook 781 Barrington
Sugar Grove Forest Preserve Sugar Grove Forest Preserve Kane 696 Sugar Grove
Sugar River Forest Preserve Sugar River Forest Preserve Winnebago 787 Shirland
Union County State Forest Union County State Forest Union 610 Jonesboro
Chief Shabbona County Forest Preserve Chief Shabbona County Forest Preserve DeKalb 876 Waterman
Herrick Lake County Forest Preserve Herrick Lake County Forest Preserve DuPage 764 Naperville
Green Valley County Forest Preserve Green Valley County Forest Preserve DuPage 705 Romeoville
Mallard Lake County Forest Preserve Mallard Lake County Forest Preserve DuPage 764 West Chicago
Maple Grove County Forest Preserve Maple Grove County Forest Preserve DuPage 712 Wheaton
Pratts Wayne Woods Forest Preserve Pratts Wayne Woods Forest Preserve DuPage 748 Geneva
Russell Forest Preserve Russell Forest Preserve DeKalb 791 Genoa
Wayne Grove County Forest Preserve Wayne Grove County Forest Preserve DuPage 810 West Chicago
Klehm County Forest Preserve Klehm County Forest Preserve Winnebago 764 Rockford South
Rockford Rotary County Forest Preserve Rockford Rotary County Forest Preserve Winnebago 794 Rockford South
Kishwaukee Gorge South County Forest Preserve Kishwaukee Gorge South County Forest Preserve Winnebago 810 Rockford South
Kishwaukee Gorge North County Forest Preserve Kishwaukee Gorge North County Forest Preserve Winnebago 843 Rockford South
Winnebago County Forest Preserve Winnebago County Forest Preserve Winnebago 715 Rockford North
Trailside County Forest Preserve Trailside County Forest Preserve Winnebago 771 Rockford South
Willow Creek Forest Preserve (historical) Willow Creek Forest Preserve (historical) Winnebago 804 Caledonia
Kishwaukee County Forest Preserve Kishwaukee County Forest Preserve Winnebago 761 Rockford South
Blackhawk Springs County Forest Preserve Blackhawk Springs County Forest Preserve Winnebago 705 Cherry Valley
McKiski County Forest Preserve McKiski County Forest Preserve Winnebago 715 Cherry Valley
Van Patten Woods Forest Preserve Van Patten Woods Forest Preserve Lake 669 Wadsworth
Wadsworth Savanna Forest Preserve Wadsworth Savanna Forest Preserve Lake 666 Wadsworth
Gurnee Woods Forest Preserve Gurnee Woods Forest Preserve Lake 663 Wadsworth
Shawnee National Forest Shawnee National Forest Johnson 646 Creal Springs
Kaskaskia Experimental Forest Kaskaskia Experimental Forest Hardin 558 Karbers Ridge
Big River State Forest Big River State Forest Henderson 620 Keithsburg
Hidden Springs State Forest Hidden Springs State Forest Shelby 627 Stewardson West
Trail of Tears State Forest Trail of Tears State Forest Union 669 Cobden
Busse Forest North Busse Forest North Cook 699 Palatine
Busse Forest South Busse Forest South Cook 696 Palatine
Winfield Mounds County Forest Preserve Winfield Mounds County Forest Preserve DuPage 728 Naperville
Warrenville Grove County Forest Preserve Warrenville Grove County Forest Preserve DuPage 712 Naperville
County Forest Preserve County Forest Preserve Cook 633 Berwyn