On this strenuous tour, hike high into the mountains of the Alaska Range with an experienced backcountry guide. Exchange the ground level view of spruce trees and alders for beautiful panoramic vistas and alpine tundra ecosystems. Learn about how the unique topology and geography of Denali came to be through historical periods of partial glaciation and volcanic unrest. Seeing the physical consequences of such events stretched out before you creates a powerfully memorable experience that you are not likely to find anywhere else.