Mount McKinley or Denali (Koyukon Athabaskan for "The High One", Dghelaayce’e in Ahtna) in Alaska, is the highest mountain peak in North America and in the United States, with a summit elevation of 20,320 feet (6,194 m) above sea level. Measured base-to-peak, it is the tallest mountain on land. Measured by topographic prominence, it is the third most prominent peak in the world after Mount Everest and Aconcagua. It is the centerpiece of Denali National Park and Preserve.