Reservations   The Clarion Hotel® & Conference Center is situated just northeast of the Missouri River, off Interstate 29. This Sioux City, IA hotel is centrally located near many local points of interest, including the Argosy Casino-Sioux City, Gateway Arena at the Tyson Event Center, the Sergeant Floyd Monument, the Dorothy Pecaut Nature Center and the Mid-America Air Museum.   Click on the link below to check rates, availability and to instantly book your room online or contact us directly at (712) 277-4101.   Book your room online today!