Sullivan County
Counties: Sullivan County
Sullivan County is in western Indiana. It is bounded on the north by Vigo County, on the west by Illinois, on the south by Knox County, on the east by Greene County, and on the northeast by Clay County.
Natural Areas
Greene-Sullivan State Forest
DNR
Sanctuary Oaks Nature Preserve
Shakamak Prairie Nature Preserve
DNR [PDF]
Shakamak State Park
See also: DNR
Organizations