The walls are generally between 60″ and 180″ thick, while the base of the ice towers is 200″ thick. February 13, 2013 by Matt ThomasThe walls are generally between 60″ and 180″ thick, while the base of the ice towers is 200″ thick. Steamboat Ski Resort About Matt Thomas Matt is an avid writer and explorer, who loves to showcase his home state of Colorado. His favorite place to be is right here in the Centennial State. Previous Post:The walls are generally between 60″ and 180″ thick, while the base of the ice towers is 200″ thick.