From Orange County/L.A.:

Take I-5 S.
Take the VISTA WAY exit toward ESCONDIDO/ VISTA/ SAN MARCOS.
Merge onto CA-78 E.
Take the CENTRE CITY PARKWAY exit.
Take the CENTRE CITY PKWY SOUTH ramp.
Merge onto N CENTRE CITY PKWY.
Turn LEFT onto W FELICITA AVE.
W FELICITA AVE becomes E 17TH AVE.
Turn RIGHT onto SAN PASQUAL VALLEY RD/ CA-78. Continue to follow CA-78.
Turn LEFT onto MAIN ST/ CA-78. Continue to follow CA-78.
Turn RIGHT onto PINE HILLS RD.
Turn RIGHT onto BLUE JAY DR.
Turn LEFT onto LA POSADA WAY.

From San Diego:

1-8 East to Highway 67 (toward Ramona).
67 turns into 78 in Ramona, follow to Julian,
Turn Right on Pine Hills Rd.
Turn Right on Blue Jay Dr.
Turn Left on La Posada Way

Take I-8 E.
Take the CA-79/ JAPATUL RD exit- exit number 40- toward JULIAN.
Turn LEFT onto CA-79.
Turn LEFT onto CA-78/ CA-79/Washington St.
Turn LEFT onto PINE HILLS RD.
Turn RIGHT onto BLUE JAY DR.
Turn LEFT onto LA POSADA WAY.