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Mount McKinley Denali National Park, Alaska. Highest mountain in North America at 20,320 feet......Mount McKinley or Denali is the world's highest mountain from base to peak wholly on land. It rises 19,000 feet from its base. Mount Everest rises about 15,000 feet from its base.
At some 18,000 feet, Mt. McKinley's base to peak rise is considered the largest of any mountain situated entirely above sea level. Measured by topographic prominence, it is the third most prominent peak after Mount Everest and Aconcagua.