To main parking lot, from Portland: Head to Hwy 26W; remain on freeway and take exit 57 for Glencoe Rd, toward North Plains; turn left onto 1^st St/NW Glencoe Rd; turn right onto NW Zion Church Rd and continue onto NW Cornelius Schefflin Rd; at traffic circle, take 1^st exist onto NW Verboort Rd; at next traffic circle, take 3^rd exit onto NW Martin Rd; turn left onto OR-47; at city of Gaston (approximately 12 miles after turning onto OR-47), follow signs and turn left into parking lot.