MonDak Heritage Center Sidney, MT Email Address: MonDak Heritage Center 120 3rd Ave. S.E. Sidney, MT Info: Website 406-433-3500 Region: Billings Upcoming events at MonDak Heritage Center Feb 10 Fri Northeastern Arts Network: A Band Called Honalee Feb 10 Sidney MonDak Heritage Center Music Performing Arts Mar 24 Fri Northeastern Arts Network: Baroque Music Montana Mar 24 Sidney MonDak Heritage Center Music Performing Arts