Head south on either I-35E or I-35W. Approximately 50 miles from either city and where the two merge and become I- 35 move to the right lane and Exit 368A.
Drive North on I-35 to Exit 368A. Hillsboro is approximately 135 Miles north of Austin and 30 miles north of Waco.
Go East on Highway 22 (Corsicana Highway) for 1/2 mile. Turn South (right) on Walnut Hill Ave. The Park is approximately 1/4 mile on the right.