Hi BucksMike. Welcome to the forum from this US family who live in a city named after a 18th century British Prime Minister, and a colony er... state named after another 18th century British fellow. If you haven't done it yet, look at the Roll Call Alaska 2013 & Roll Call Alaska 2014 threads in the RVing in Canada and Alaska forum part of this site. They contain much useful information. Did you make any reservations for campsites in or near Denali? Did you book any bus trips into Denali? Best wishes for a successful trip.
Bob