Riverdale Inn Address: 314 4th St, Riverdale, ND 58565 Phone: (701) 745-3538 Hotels & Motels, Inns Other Businesses: Riverdale Inn at 314 4th St, Riverdale, ND 58565 Sakakawea Sunset Lodge at 507 Missouri Dr, Riverdale, ND 58565 Riverdale High Lodge at 401 3rd St, Riverdale, ND 58565