| Adeline Jay Geo-Karis Illinois Beach |
State Park |
| Anderson Lake |
State Fish & Wildlife Area |
| Apple River Canyon |
State Park |
| Argyle Lake |
State Park |
| Banner Marsh |
State Fish & Wildlife Area |
| Beall Woods |
State Park |
| Beaver Dam |
State Park |
| Big Bend |
State Fish & Wildlife Area |
| Big River |
State Forest |
| Bohm Woods |
Nature Preserve |
| Buffalo Rock |
State Park |
| Butterfield Trail |
State Recreation Area |
| Cache River |
State Natural Area |
| Cape Bend |
State Fish & Wildlife Area |
| Carlyle Lake |
State Fish & Wildlife Area |
| Castle Rock |
State Park |
| Cave-In-Rock |
State Park |
| Cedar Glen |
State Natural Area |
| Chain O' Lakes |
State Park |
| Channahon |
State Park |
| Chouteau Island |
State Fish & Wildlife Area |
| Clinton Lake |
State Recreation Area |
| Coffeen Lake |
State Fish & Wildlife Area |
| Copperhead Hollow |
State Fish & Wildlife Area |
| Crawford County |
State Fish & Wildlife Area |
| Delabar |
State Park |
| Des Plaines |
State Fish & Wildlife Area |
| Devil's Island |
State Fish & Wildlife Area |
| Dixon Springs |
State Park |
| Donnelley/DePue |
State Fish & Wildlife Area |
| Eagle Creek |
State Park |
| Edward R. Madigan |
State Fish & Wildlife Area |
| Eldon Hazlet |
State Park |
| Fall Creek Overlook |
State Natural Area |
| Ferne Clyffe |
State Park |
| Fort Massac |
State Park |
| Fox Ridge |
State Park |
| Frank Holten |
State Park |
| Franklin Creek |
State Natural Area |
| Fults Hill Prairie |
State Natural Area |
| Gebhard Woods |
State Park |
| Giant City |
State Park |
| Golconda Marina |
State Recreation Area |
| Goode's Woods |
State Natural Area |
| Goose Lake Prairie |
State Natural Area |
| Green River |
State Wildlife Area |
| Hamilton County |
State Fish & Wildlife Area |
| Harry 'Babe' Woodyard |
State Natural Area |
| Heidecke Lake |
State Fish & Wildlife Area |
| Henderson County |
State Fish & Wildlife Area |
| Hennepin Canal |
State Trail |
| Hidden Springs |
State Forest |
| Horseshoe Lake-Alexander |
State Fish & Wildlife Area |
| Horseshoe Lake-Madison |
State Park |
| Illini |
State Park |
| Illinois & Michigan Canal |
State Trail |
| Illinois Caverns |
State Natural Area |
| Ilo Dillin |
State Habitat Area |
| Iroquois County |
State Fish & Wildlife Area |
| James "Pate" Philip (Tri-County) |
State Park |
| Jim Edgar Panther Creek |
State Fish & Wildlife Area |
| Johnson-Sauk Trail |
State Recreation Area |
| Jubilee College |
State Park |
| Kankakee River |
State Park |
| Kaskaskia River |
State Fish & Wildlife Area |
| Kickapoo |
State Park |
| Kidd Lake Marsh |
State Natural Area |
| Kinkaid Lake |
State Fish & Wildlife Area |
| Lake Le-Aqua-Na |
State Recreation Area |
| Lake Murphysboro |
State Park |
| LaSalle Lake |
State Fish & Wildlife Area |
| Lincoln Trail |
State Park |
| Lincoln Trail Homestead |
State Park |
| Little Grassy Lake |
State Fish Hatchery |
| Lowden |
State Park |
| Lowden-Miller |
State Forest |
| Mackinaw River |
State Fish & Wildlife Area |
| Manito PHA |
Pheasant Habitat Area |
| Marseilles |
State Fish & Wildlife Area |
| Marshall |
State Fish & Wildlife Area |
| Matthiessen |
State Park |
| Mautino |
State Fish & Wildlife Area |
| Mazonia-Braidwood |
State Fish & Wildlife Area |
| Mermet Lake |
State Fish & Wildlife Area |
| Middle Fork |
State Fish & Wildlife Area |
| Mississippi Palisades |
State Park |
| Mississippi River |
State Fish & Wildlife Area |
| Moraine Hills |
State Park |
| Moraine View |
State Park |
| Morris Wetlands |
State Fish & Wildlife Area |
| Morrison Rockwood |
State Park |
| Nauvoo |
State Park |
| Newton Lake |
State Fish & Wildlife Area |
| North Point Marina |
State Recreation Area |
| Peabody River King |
State Fish & Wildlife Area |
| Pekin Lake |
State Fish & Wildlife Area |
| Pere Marquette |
State Park |
| Piney Creek Ravine |
State Natural Area |
| Powerton Lake |
State Fish & Wildlife Area |
| Prophetstown |
State Park |
| Pyramid |
State Recreation Area |
| Ramsey Lake |
State Park |
| Randolph County |
State Recreation Area |
| Ray Norbut |
State Fish & Wildlife Area |
| Red Hills |
State Park |
| Rend Lake |
State Fish & Wildlife Area |
| Rice Lake |
State Fish & Wildlife Area |
| Rock Cut |
State Park |
| Rock Island Trail |
State Park |
| Sahara Woods |
State Fish & Wildlife Area |
| Saline County |
State Fish & Wildlife Area |
| Sam Dale Lake |
State Fish & Wildlife Area |
| Sam Parr |
State Fish & Wildlife Area |
| Sand Ridge |
State Forest |
| Sanganois |
State Fish & Wildlife Area |
| Sangchris Lake |
State Recreation Area |
| Shabbona Lake |
State Park |
| Shelbyville |
State Fish & Wildlife Area |
| Sielbeck Forest |
State Natural Area |
| Siloam Springs |
State Park |
| Silver Springs |
State Fish & Wildlife Area |
| Snakeden Hollow |
State Fish & Wildlife Area |
| Spitler Woods |
State Park |
| Spring Lake |
State Fish & Wildlife Area |
| Starved Rock |
State Park |
| Stephen A. Forbes |
State Recreation Area |
| Ten Mile Creek |
State Fish & Wildlife Area |
| Trail of Tears |
State Forest |
| Tunnel Hill |
State Trail |
| Turkey Bluffs |
State Fish & Wildlife Area |
| Union County |
State Fish & Wildlife Area |
| Volo Bog |
State Natural Area |
| Walnut Point |
State Park |
| Washington County |
State Recreation Area |
| Wayne Fitzgerrell |
State Park |
| Weinberg-King |
State Park |
| Weldon Springs |
State Park |
| White Pines Forest |
State Park |
| William G. Stratton |
State Park |
| William W. Powers |
State Recreation Area |
| Wolf Creek |
State Park |
| Woodford |
State Fish & Wildlife Area |
| World Shooting & Recreational Complex |
State Recreation Area |
