In Prunedale, turn right onto San Miguel Canyon Road. [This exit is a small exit going only to the right, and is located 10.0 miles south of the Route 129 exit. It is 1/2 mile before the 156 West exit.]
Take San Miguel Canyon Road 3/4 mile and turn left on Castroville Blvd. [It's the first left after the signal, hard to read the sign.]
Take Castroville Blvd. 3/4 mile and turn left into Manzanita Park.