• Protected areas of Indiana by county (69 C)

A

• Arboreta in Indiana (6 P)

B

• Bike paths in Indiana (1 C, 3 P)

F

• Forests of Indiana (2 C, 4 P)

H

• Hiking trails in Indiana (2 C, 9 P)

I

• Indiana Dunes National Park (1 C, 40 P)
• Indiana State Historic Sites (12 P)

N

• National forests of Indiana (1 C, 3 P)
• National Natural Landmarks in Indiana (1 C, 24 P)
• National Park Service areas in Indiana (2 C, 3 P)
• National Wildlife Refuges in Indiana (3 P)
• Nature centers in Indiana (27 P)
• Nature reserves in Indiana (3 C, 13 P)

P

• Parks in Indiana (6 C, 28 P)

R

• Reservoirs in Indiana (21 P)

S

• Indiana state forests (15 P)

W

• Wilderness areas of Indiana (1 P)

Σ

• Indiana protected area stubs (47 P)