Apple River • Argyle Lake • Beall Woods • Beaver Dam • Buffalo Rock • Castle Rock • Cave-in-Rock • Chain O'Lakes • Channahon • Delabar • Dixon Springs • Donnelley/Depue • Ferne Clyffe • Fort Massac • Fox Ridge • Franklin Creek • Gebhard Woods • Giant City • Hazel & Bill Rutherford Wildlife Prairie • Hennepin Canal • Horseshoe Lake • Illini • Illinois Beach • James "Pate" Philip • Johnson-Sauk Trail • Jubilee College • Kankakee River • Lake Le-Aqua-Na • Lake Murphysboro • Lincoln Trail • Lowden • Matthiessen • Mississippi Palisades • Moraine Hills • Morrison-Rockwood • Nauvoo • Pere Marquette • Red Hills • Rock Cut • Rock Island Trail • Shabbona Lake • Siloam Springs • South Shore • Starved Rock • Walnut Point • Weinberg-King • White Pines Forest • William G. Stratton • Wolf Creek Official language(s) English[1] Capital Springfield Largest city Chicago Largest metro area Chicago Area  Ranked 25th  - Total 57,918 sq mi (149,998 km²)  - Width 210 miles (340 km)  - Length 390 miles (629 km)  - % water 4. ... The National Park Service (NPS) is the United States federal agency that manages all National Parks, many National Monuments, and other conservation and historical properties with various title designations. ... Lincoln Home National Historic Site Lincoln Home National Historic Site preserves President Abraham Lincolns Springfield, Illinois home and four-block historic district surrounding the home. ... U.S. National Forests are protected forests and woodland areas in the United States. ... The Shawnee National Forest, located in the Ozark and Shawnee hills of Southern Illinois, consists of approximately 270,000 acres of federally managed lands. ... Apple River Canyon State Park is an Illinois state park on in Jo Daviess County, Illinois, USA. The land for the park was purchased by the state in 1932 and preserves the canyon on the Apple River. ... Argyle Lake State Park is an Illinois state park located in Colchester, Illinois. ... Beall Woods State Park is a 635-acre (2. ... Beaver Dam State Park is a Illinois state park on in Macoupin County, Illinois in the United States. ... Buffalo Rock State Park & Effigy Tumuli is an Illinois state park on in LaSalle County, Illinois, USA. The land for the park was donated to the state on November 15, 1928 with the promise that it would become a permanent state park. ... Castle Rock State Park is an Illinois state park on in Ogle County, Illinois, USA. A portion of the land was acquired by the Friends of Our Native Landscape in 1921. ... Cave-in-Rock State Park is a Illinois state park on in Hardin County, Illinois in the United States. ... For the similarly-named state park in Indiana, see Chain OLakes State Park (Indiana). ... Channahon State Park is an Illinois state park in Will County, Illinois, United States. ... Dixon Springs State Park is one of several state parks in the Illinois Shawnee Hills. ... Shoreline along the Northern Unit of Illinois Beach State Park Main beach in the Southern Unit of Illinois Beach State Park Illinois Beach State Park is part of the Illinois state park system and is located along Lake Michigan in northeast Illinois in the city of Zion and the Village... Jubilee College State Park is an Illinois state park located a few miles west of Peoria, Illinois. ... Moraine Hills State Park is an Illinois state park on in McHenry County, Illinois, United States. ... Pere Marquette State Park is an 8,050-acre (32 km²) protected area in the U.S. state of Illinois. ... The Rock Island Trail State Park is a 26-mile-long (42-km) public trail in the west-central region of the U.S. state of Illinois. ... French Canyon Waterfall Sandstone cliff Starved Rock State Park is an Illinois state park located in Utica, Illinois, in rural LaSalle County, Illinois, about 75 miles (120 km) west-southwest of downtown Chicago. ...

Big River • Hidden Springs • Sand Ridge • Trail of Tears Big River State Forest is a conservation area on in Henderson County, Illinois, United States. ...

Clinton Lake • Eagle Creek • Eldon Hazlet • Frank Holten • Golconda Marina • Kickapoo • Moraine View • North Point Marina • Prophetstown • Pyramid • Ramsey Lake • Randolph County • Sangchris Lake • Stephen A. Forbes • Washington County • Wayne Fitzgerrell • Weldon Springs • William W. Powers The Moraine View State Recreation Area is a state park operated by the Department of Natural Resources (DNR) of the U.S. state of Illinois. ...

Anderson Lake • Baldwin Lake • Carlyle Lake • Coffeen Lake • Crawford County • Des Plaines • Edward R. Madigan • Green River • Hamilton County • Heidecke Lake • Horseshoe Lake (Alexander County) • Iroquois • Kaskaskia River • Kinkaid Lake • Kishwaukee River • LaSalle Lake • Mackinaw River • Marshall • Mautino • Mazonia/Braidwood • Mermet Lake • Middle Fork • Mississippi River • Newton Lake • Panther Creek • Peabody River • Ray Norbut • Rend Lake • Rice Lake • Saline County • Sam Dale Lake • Sam Parr • Sanganois • Shelbyville • Silver Springs • Snakeden Hollow • Spring Lake • Ten Mile Creek • Turkey Bluffs • Union County • Woodford Anderson Lake State Fish & Wildlife Area is an Illinois state park on in Fulton County, Illinois, United States. ... Baldwin Lake State Fish & Wildlife Area is an Illinois state park on in Randolph and St. ... Carlyle Lake State Fish and Wildlife Area is an Illinois state park on in Fayette County, Illinois, United States. ... The Edward R. Madigan State Fish and Wildlife Area is a 974-acre (3. ... The Jim Edgar Panther Creek State Fish and Wildlife Area (JEPC) is a conservation area located within Cass County in the U.S. state of Illinois. ...

Cache River • Fults Hill Prairie • Goose Lake Prairie • Harry "Babe" Woodyard • Illinois Caverns • Kidd Lake • Piney Creek Ravine • Sielbeck Forest • Spitler Woods • Volo Bog Cache River State Natural Area is an Illinois state park on in Johnson County, Illinois, United States. ... Illinois Caverns State Natural Area is a nature preserve in Monroe County, Illinois. ... The Volo Bog State Natural Area is a 1,150-acre (4. ...

Lewis and Clark • Mormon Pioneer • Trail of Tears • Tunnel Hill In 1804, Meriwether Lewis & William Clark began a voyage of discovery with 45 men, a keelboat, two pirogues,and a dog. ... The Mormon Trail was the overland route the Mormon emigrants followed west from Nauvoo, Illinois to Salt Lake City, Utah beginning in 1846. ... The Trail of Tears refers to the forced removal of the Cherokee American Indian tribe by the U.S. federal government, which resulted in the deaths of thousands of Cherokee Indians. ... A bicycle trail running from Harrisburg, Illinois to Karmak, Illinois. ...