Acadia Cliffs State Nature Preserve was created in 1994.
The area of Acadia Cliffs State Nature Preserve is 453,247.9193088 square meters.
Brigadoon State Nature Preserve was created in 1985.
Hemlock Bluffs Nature Preserve was created in 1976.
Beargrass Creek State Nature Preserve was created in 1982.
Blackhand Gorge State Nature Preserve was created in 1975.
Weymouth Woods-Sandhills Nature Preserve was created in 1963.
Lake Katharine State Nature Preserve was created in 1975.
Lion's Den Gorge Nature Preserve was created in 2002.
Conkle's Hollow State Nature Preserve was created in 1925.
Hoosier Prairie State Nature Preserve was created in 1976.
Axe Lake Swamp State Nature Preserve was created in 1991.
Bad Branch Falls State Nature Preserve was created in 1985.