The Wrangell-St. Elias National Park has miles of snowmobiling routes. There are no groomed trails, but plenty of snow in the valleys and mountains to explore. The two main park roads that are open to snowmobiling in the winter. Also, there are several backcountry cabins open for rental in the winter.
Overall, Wrangell-St. Elias National Park is the 3rd most popular snowmobile trail of all 4 snowmobiling rides in Alaska.