Old Glory Amphitheater in Six Flags St Louis
Eureka, MO 63025
The Old Glory Amphitheater is a large outdoor amphitheater located within the Six Flags park. Local and national music groups perform at this venue during the park's season, usually April through October. Most events at the Old Glory Amphitheater are free and included with the purchase of a Six Flags admission ticket, but some are an additional charge. It depends on the event.