Mount Hayes is the highest mountain in the eastern Alaska Range, in the U.S. state of Alaska. Despite not being a fourteener, it is one of the largest peaks in the United States in terms of rise above local terrain. For example, the Northeast Face rises 8,000 feet (2,440 m) in approximately 2 miles (3.2 km). This large vertical relief contributes to Mount Hayes being the 51st most topographically prominent peak in the world.^[2]

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Mount Hayes
Highest point
Elevation	13,832 ft (4,216 m)[1]
Prominence	11,487 ft (3,501 m)[1]
Isolation	205 km (127 mi)
Listing	World most prominent peaks 51st North America highest peaks 72nd North America prominent peaks 10th North America isolated peaks 102nd US highest major peaks 54th US most prominent peaks 6th Alaska highest major peaks 17th
Coordinates	63°37′15″N 146°42′55″W
Geography
Mount Hayes Location in Alaska
Location	Southeast Fairbanks Census Area, Alaska, U.S.
Parent range	Alaska Range
Topo map	USGS Mount Hayes C-6
Climbing
First ascent	1941 by Bradford Washburn, Barbara Washburn, Benjamin Ferris, Sterling Hendricks, Henry Hall, William Shand
Easiest route	snow/ice climb (Alaska grade 2+)

Close

The mountain was named in 1898 by W. J. Peters and A. H. Brooks of the U.S. Geological Survey for Charles Willard Hayes (1858–1916), a geologist with the Survey from 1887 through 1911.^[3] Mount Hayes was first climbed on August 1, 1941, by Bradford Washburn, Barbara Washburn,^[4] Benjamin Ferris, Sterling Hendricks, Henry Hall, and William Shand.^[5]

Today's standard climbing route is the East Ridge (Alaska Grade 2+). Mount Hayes is not frequently climbed due to its remoteness and the resulting access difficulties.^{[citation needed]}

Based on the Köppen climate classification, Mount Hayes is located in a subarctic climate zone with long, cold, snowy winters, and mild summers.^[6] Temperatures can drop below −20 °C with wind chill factors below −30 °C. This climate supports glaciers on its slopes including the Hayes Glacier. Precipitation runoff from the mountain drains into tributaries of the Tanana River drainage basin. The months May through June offer the most favorable weather for climbing or viewing.

• List of mountain peaks of North America
  • List of mountain peaks of the United States
    • List of mountain peaks of Alaska
• List of Ultras of the United States

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