WELCOME TO ONION CREEK CLUB, A GENUINE TEXAS TREASURE STEEPED IN FAMILY TRADITION, FRIENDLINESS, CAMARADERIE AND GOOD FUN! Onion Creek Club is Austin’s most historic golf club, founded in 1974 by three-time Masters Champion, Jimmy Demaret. There is no other golf club in the Austin area that provides the history steeped in tradition and quality, the convenience to downtown and surrounding neighborhoods, and most importantly the opportunity to make new friends!