From Tucson, drive east on I-10 to Arizona Route 83 exit. Drive south to Sonoita, and then continue on AZ 83 approximately 25 miles to Parker Canyon Lake. From Sierra Vista, travel through Fort Huachuca's west gate to State Route 83. Turn south and travel 10 miles to Parker Canyon Lake. Alternate route from Sierra Vista, travel south on State Highway 92 about 17 miles to Coronado Memorial Road (FR 61) and drive 25 miles over Montezuma Pass along the south side of the Huachuca Mountains to Parker Canyon Lake.