Category:Protected areas of Illinois

• Protected areas of Illinois by county (93 C)

A

• Abraham Lincoln National Heritage Area (18 P)
• Arboreta in Illinois (9 P)

B

• Bike paths in Illinois (2 C, 5 P)

F

• Forests of Illinois (2 C, 12 P)

H

• Hiking trails in Illinois (2 C, 11 P)

I

• Illinois State Historic Sites (57 P)

N

• National forests of Illinois (2 C)
• National Park Service areas in Illinois (2 C, 2 P)
• National Wildlife Refuges in Illinois (14 P)
• Nature centers in Illinois (21 P)
• Nature reserves in Illinois (4 C, 39 P)

P

• Parks in Illinois (6 C, 35 P)

R

• Reservoirs in Illinois (58 P)

S

• Illinois state forests (6 P)

W

• Wilderness areas of Illinois (8 P)

Σ

• Illinois protected area stubs (73 P)