Clayton California’s Thirteenth Annual Oktoberfest Celebration Clayton Business & Community Association invites you to experience Oktoberfest "Munich Style" in picturesque Clayton, CA. Set under beautiful Mt. Diablo, it evokes a feeling of Bavaria. "EIN PROSIT" GET READY FOR 2 FUN FILLED DAYS! Continuous Live Music Featuring The Internationals Traditional Biergarten Great German Food and Beer Premium California Wines Large Arts and Crafts Show Carnival Street Performers