From Hwy 101 North and South: Take Exit 211 for Santa Margarita Lake. Go 1.8 miles through the town of Santa Margarita. Turn Right on Estrada Ave./Highway 58. Estrada Ave. becomes "J" St. which turns into W. Pozo Rd. Continue straight on W. Pozo Rd. for about 7 miles. (Follow signs to Santa Margarita Lake. Do not turn left on Hwy. 58) Turn Left on Santa Margarita Lake Rd. Go 1/2 mile up the hill. The KOA will be on your right.
From East and Northeast of Santa Margarita KOA: From Highway 41, 99 or 5... Take Highway 46 West to US 101 in Paso Robles. Take US 101 South to Exit 211.
No matter what your GPS, Google Maps or Mapquest says... DO NOT TAKE HWY 58 WEST or HWY 229 TO REACH US. These roads are narrow, winding and likely to cause car sickness.