Turkey Run State Park, Indiana's second state park, is in Parke County in the west-central part of the state along State Road 47, 2 miles (3.2 km) east of U.S. 41.

Parke County lies in the western part of the U.S. state of Indiana along the Wabash River. The county was formed in 1821 out of a portion of Vigo County. According to the 2020 census, the population was 16,156. The county seat is Rockville.