2202 Roosevelt Avenue
San Antonio, TX78210
(210) 932-1001 This number will reach the Park's Visitor Center, open seven days a week from 9:00 am to 5:00 pm, except Thanksgiving Day, December 25th, and New Year's Day.
To reach Park Headquarters, dial (210) 534-8833. This office is open Monday through Friday, 8:00 am to 4:30 pm, and closed on all federal holidays.