Driving directions to The Westin La Cantera Resort, San Antonio (210) 558-6500 » Interstate 10 San Antonio, TX 1. Head northwest on Old Fredericksburg Rd toward Access Rd 1604 N. Turn right onto Access Rd 1604 N 0.3 mi. Turn left onto I-10 Frontage Rd 1.1. Turn left onto La Cantera Pkwy. Destination will be on the right 1.0 mi. The Westin La Cantera Resort, San Antonio 16641 La Cantera Parkway San Antonio, TX 78256
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