From Tucson, go west on Ajo Way (Highway 86) to Three Points. Travel 38 miles south of Three Points on Highway 286 to milepost 7.5. If traveling on Interstate 19, take the Amado/Arivaca exit west, turn right at the T, and then left at the Cow Palace onto Arivaca Road. Proceed west 35 miles on the Arivaca Road to Highway 286 and turn left at milepost 7.5.