Creekside Marketplace Lewistown, MT Email Address: Creekside Marketplace 220 E. Main Lewistown, MT Info: 406- Region: Great Falls Upcoming events at Creekside Marketplace Jun 25 Wed Montana Shakespeare in the Parks: As You Like It Jun 25 Lewistown Creekside Marketplace Events Performing Arts Theatre Aug 02 Sat Centerfest Music Festival Aug 2 Lewistown Creekside Marketplace Festivals Music