elevations, and glaciers, rock, and snow at the highest elevations. Today, the park hosts more than 400,000 visitors who enjoy wildlife viewing, mountaineering , and backpacking . Wintertime recreation includes dog-sledding , cross-country skiing , and snowmobiling where allowed. ( http://en.wikipedia.org/wiki/Denali_National_Park_and_Preserve )   List of excercise outputs: - Map of Arapaho