Temecula, Calif.
A must stop when visiting Southern California, Wine Tasting in Temecula Valley IS Southern California's Wine Country! With over 30 wineries offering award-winning wines, great restaurants, lodging and beautiful gift shops, Temecula Valley Wineries have something for everyone.
http://www.temeculawines.org/taste/winery-listing.php
Plan to make time if you're in the area, it's well worth the trip!
And, as always, be safe...