List of National Natural Landmarks in Illinois

From List of National Natural Landmarks, these are the National Natural Landmarks in Illinois. There are 18 in total

	Name	Image	Date	Location	County	Description
1	Allerton Natural Area		01970-01-011970	39.998°N 88.65°W / 39.998; -88.65	Piatt	Contains relatively undisturbed examples of bottomland on the upper Sangamon River and upland forests.
2	Bell Smith Springs		01980-01-011980	37°31′7″N 88°39′22″W	Pope	A fragile area containing some of the best examples of ecosystems typical of sharply dissected sandstone substrates -- part of the Shawnee National Forest
3	Busse Forest Nature Preserve		01980-01-011980	Schaumburg 42.04209°N 88.003407°W / 42.04209; -88.003407 (Busse Forest Nature Preserve)	Cook	A surviving fragment of flatwoods, a type of damp-ground forest in the Great Lakes region. Characterized by red maple, swamp white oak, and black ash trees. It is part of the larger Ned Brown Forest Preserve, managed by the Forest Preserve District of Cook County.
4	Forest of the Wabash		01965-01-011965	38°21′31″N 87°49′30″W	Wabash	Essentially undisturbed upland and bottomland forests lying along the Wabash River.
5	Fults Hill Prairie Nature Preserve		01986-01-011986	37°58′39″N 89°48′02″W	Monroe	Essentially undisturbed loess hill prairies.
6	Funks Grove		01974-01-011974	40°21′49″N 89°06′52″W	McLean	Rare example of the virgin forests once isolated on the prairies of the Midwest.
7	Giant City		01980-01-011980	37°36′18″N 89°11′18″W	Union	An exceptional example of gravity sliding, consisting of massive joint-bounded sandstone blocks of Pennsylvanian age.
8	Heron Pond - Little Black Slough		01972-01-011972	37.367°N 88.950°W / 37.367; -88.950	Johnson	Largest remaining cypress-tupelo swamp in Illinois.
9	Horseshoe Lake		01972-01-011972	37°08′56″N 089°21′18″W	Alexander	Contains diverse aquatic and terrestrial flora and fauna and mature stands of bald cypress.
10	Illinois Beach Nature Preserve		01980-01-011980	42°25′02″N 87°48′42″W	Lake County	Supports over 60 species of animals and plants that are threatened or endangered in Illinois.
11	LaRue-Pine Hills Ecological Area		01974-01-011974	37°35′N 89°25′W	Union	One of the finest assemblages of diverse vegetation in the Midwest.
12	Little Grand Canyon		01980-01-011980	37.68644°N 89.39844°W / 37.68644; -89.39844	Jackson	A large box canyon with vertical overhanging walls.
13	Lower Cache River Swamp		01980-01-011980	37.066944°N 89.172778°W / 37.066944; -89.172778	Johnson, Pulaski	Remnant of the swampy flood plain forest and open swamp that once covered an extensive area at the junction of the Mississippi and Ohio River valleys
14	Lusk Creek Canyon		01980-01-011980	Eddyville37.518889°N 88.54°W / 37.518889; -88.54 (Lusk Creek Canyon)	Pope	An excellent example of a gorge-like valley formed by mass wasting and stream erosion in lower Pennsylvanian sandstones -- part of the Shawnee National Forest
15	Markham Prairie		01987-01-011987	41°36′25″N 87°41′16″W	Cook	One of the largest and highest quality, undisturbed prairies in Illinois.
16	Mississippi Palisades		01972-01-011972	42.138333°N 90.158889°W / 42.138333; -90.158889	Carroll	Deep V- shaped valleys, caves and sinks, and massive cliffs along the Mississippi River.
17	Volo Bog Nature Preserve		01972-01-011972	42.351667°N 88.186111°W / 42.351667; -88.186111	Lake	Contains many unusual or rare plants that are characteristic of the classic northern quaking bog.
18	Wauconda Bog Nature Preserve		01972-01-011972	42.2539°N 88.1302°W / 42.2539; -88.1302	Lake	Mature bog with bog vegetation at their farthest southern extension in Illinois.

See Also

• List of ecoregions in Illinois