Denali National Park and Preserve is located in Interior Alaska and contains Denali (Mount McKinley), the highest mountain in North America. The park and preserve together cover 9,492 mi² (24,585 km²).The longest glacier is the Kalhiltna glacier.
Mount McKinley or Denali (Koyukon Athabaskan for "The High One", Dghelaayce’e in Ahtna) in Alaska, United States is the highest mountain peak in North America and the United States, with a summit elevation of 20,320 feet (6,194 m) above sea level. It is the centerpiece of Denali National Park and Preserve.