2006. At 6194 m (20,320 ft) Denali (Mt McKinley) is the highest mountain in North America. Its arctic latutude makes for extreme weather conditions and its remote location in the Alaskan wilderness means that climbing teams must be self-reliant and experienced. The author focuses on the West Buttress route used by 80-90% of climbers.
Harry Kikstra's guidebook provides all you need to plan and enjoy your summit attempt: