I like beaver better than vail. vail is too big and your spending most of your day traversing to get wear you want to be for a run or to then move onto another traverse. at least at brave you can get sucked into a single chair for a while and have fun even run and still have time in the day to explore others
Actually, most ski resorts in the west are on United States Forest Service land. The lease they sign with the USFS requires closure by a certain date. Animal migration is one of the reasons, but there are many others.