South Carolina State Parks for Horseback Riding
5 units of South Carolina's state park system list horse trails or equestrian areas. Of these, 1 have free entry. Each park page has the official details and when we last checked them.
Croft State ParkSpartanburg$3 per adult
H. Cooper Black Jr. Memorial Field Trial and Recreation AreaCheraw$3 per adult

Hunting Island State ParkHunting Island$8 per adult

Kings Mountain State ParkBlacksburg$3 per adult
Lee State ParkBishopvilleFree entry
Lists are built automatically from official park data and update when parks change. Inclusion means the official source lists the feature; it is not a ranking.