From I-15, take Hwy. 79 and go south for 27 miles to Chihuahua Valley Rd. Go east 6.5 miles. When the road makes a sharp right turn, drive straight ahead, crossing the road. Travel 2.9 miles on a graded dirt road.
Field station is on the left side.
Facilities are available. Allow 2 hours driving time from San Diego. From I-8 go south on Harbison Canyon Rd. Left on Sloan Canyon Rd. This graded road is suitable for sedans.