Illinois

State Areas:

State Parks:

Illinois State Parks

1. Buffalo Rock State Park protects a bluff above the Illinois River.
2. Cave-in-Rock State Park protects a large tunnel cave in a limestone bluff along the Ohio River.
3. Ferne Clyffe State Park protects an area of beautiful cliffs and deep ravines in the Shawnee Hills.
4. Matthiessen State Park protects a canyon with several waterfalls along the Vermillion River.
5. Starved Rock State Park protects an unusual area of sandstone canyons and waterfalls along the Illinois River.

National Areas:

National Forests:

There is one National Forest in Illinois - Shawnee National Forest in the Shawnee Hills of southern Illinois.

National Prairies:

1. Midewin National Tallgrass Prairie is a 20,000-acre preserve aiming to restore tallgrass prairie habitat.