Creekside Marketplace Lewistown, MT Email Address: Creekside Marketplace 220 E. Main Lewistown, MT Info: 406- Region: Great Falls Upcoming events at Creekside Marketplace Jul 05 Fri Montana Shakespeare in the Parks: Hamlet Jul 5 Lewistown Creekside Marketplace Events Performing Arts Theatre Aug 03 Sat Centerfest Music Festival Aug 3 Lewistown Creekside Marketplace Festivals Music