Proceed 6 Miles to South Coast Winery on Right Hand Side. Temecula has something for everyone.Take the 60 West to the 215 South. Temecula Valley is located in Riverside County, California with over 33,000 acres and offers a Mediterranean style setting and a history that dates back to 1968. Temecula Valley Wine Country has over 40 wineries located east of Old Town Temecula in Southern California. Temecula map 41000 Main Street Temecula, CA 92590 Phone: 95 Toll Free: 888-TEMECULA TTY: 95 Hours: 8am-5pm M-FWinery Map.