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Mount McKinley, Alaska. Mount Whitney, California. Pike’s Peak, Colorado. Buck Mountain, Wyoming. Vail Mountain, Colorado. Brian Head, Utah. Mount Tallac, Nevada. Mount St. Helen’s, Washington. Mount Washington, New Hampshire. Elevation in Feet. 20000. Supplemental Oxygen Usually
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Mount McKinley, Alaska Mount Whitney, California Pike’s Peak, Colorado Buck Mountain, Wyoming Vail Mountain, Colorado Brian Head, Utah Mount Tallac, Nevada Mount St. Helen’s, Washington Mount Washington, New Hampshire Elevation in Feet 20000 Supplemental Oxygen Usually Required 18000 16000 14000 Extreme Danger 12000 10000 8000 Moderate Danger 6000