From Philadelphia & Points North - From I-95 (Delaware Turnpike), take exit 5 (Newport) in Delaware to Route 141 North. Turn left onto Route 48 West, which becomes Route 41 North. Follow into PA and take Route 7 exit. At bottom of hill, turn right, then take first left.
From Baltimore & Points South - From I-95 (Delaware Turnpike), take exit 4B (Metroform) in Delaware to Route 7 North (Limestone Road which becomes Kaolin Road). Take first left after PA Route 41 overpass.
From PA Points North & West - Take Rt. 202 to Rt. 1 - Take the Kennett Square exit to the fourth traffic light and turn left onto Union Street. Follow straight 2.5 miles until it ends, and turn right onto Kaolin Road. Look for Hartefeld entrance 1.3 miles on right. From U.S. Route 1 (alternate) Take Toughkenamon exit. Follow Newark Road South to second light. Go south on Route 41. Exit Route 41 at the sign for Route 7 North (Limestone Road which becomes Kaolin). Stay straight to stop sign and follow Hartefeld sign under Rt. 41 overpass. Take first left after PA Route 41 overpass.