If we did this it would be best the last part of August or very early September. I did the routing off the top of my head but I think the only big mileage day would be from Rapid City to Cody Wyoming and anybody worried about that long a day could by pass Devil's Tower and Custer's Battlefield and run the interstate most of the way. About a 420 mile day.
As I said I am really promoting an idea more than this particular route but This is a great area.
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