Sundown Mountain Resort: Sundown Mountain is Iowa’s premier ski resort.  Did you know that the highest lift at Sundown has greater top-to-bottom vertical than any other resort in Illinois, Missouri, or Iowa? Sundown, located in Dubuque, is home to 21 ski trails and two terrain parks. It is a great Midwest family resort that offers terrain for all ability levels. Find spectacular deals on Sundown Mountain lift tickets at GetSkiTickets.com!