The San Antonio Championship was a golf tournament on the Champions Tour. It was played annually in October in San Antonio, Texas, and was the final full-field event of the Champions Tour season. AT&T was the main sponsor of the tournament from 2006 to 2014. The Canyons Course at TPC San Antonio took over as host beginning in 2011. It was previously played at the Oak Hills Country Club. The purse for the 2015 tournament was US$1,800,000, with $270,000 going to the winner. The tournament was founded in 1985 as the Dominion Seniors.