Exit I-680 at Diablo Rd in Danville and go EAST towards Mt Diablo (away from downtown Danville...that would be LEFT from Southbound I-680 or RIGHT from Northbound I-680. Go EAST under freeway about ½ mi to "Y" in road. Take Right onto Camino Tassajara Rd. Stay on Camino Tassajara by turning LEFT at intersection with Sycamore Valley Rd. Follow Camino Tassajara east about 7 miles past Blackhawk and other housing developments. When you pass school on left, will become open space. Watch for Finley Rd & turn LEFT. Follow road about 2 miles & park alongside road. No parking within last ½ mile! If you see no parking signs, you have gone too far.