I-287 Exit 12 (Weston Canal Rd.), left at T onto Weston Canal Rd. (CR 623), go south and cross bridge (Manville Causeway), left onto S Main St. (CR 533), make left in 1.6 mi to stay on CR 533 (CR 533 bypass goes straight), in 6.4 mi turn left on to Griggstown Causeway.  Parking lot is on right immediately after crossing bridge

Map & Directions