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Eon Mountain
Eon Mountain
	Aerial view of north aspect
Highest point
Elevation	3,305 m (10,843 ft)
Prominence	558 m (1,831 ft)
Parent peak	Lunette Peak (3428 m)
Listing	Mountains of Alberta; Mountains of British Columbia
Coordinates	50°50′05″N 115°37′27″W / 50.83472°N 115.62417°W
Geography
	Eon Mountain Location in Alberta Eon Mountain Location in British Columbia Eon Mountain Location in Canada
	Interactive map of Eon Mountain
Country	Canada
Provinces	Alberta and British Columbia
Parent range	Park Ranges
Topo map	NTS 82J13 Mount Assiniboine
Climbing
First ascent	1921 Winthrop E. Stone

Eon Mountain is located on the border of Alberta and British Columbia on the Continental Divide. It is Alberta's 41st-highest peak, and the 53rd-highest peak in British Columbia. It was named in 1901 by James Outram.^[1]^[2]

The first ascent of Eon was made on July 17, 1921, by Winthrop E. Stone, then President of Purdue University, who fell to his death shortly after reaching the summit.^[1]^[4] Stone had climbed the final chimney and then unroped on the summit. Upon returning to the chimney he stepped on a loose stone near the edge and fell. His wife was stationed at the base of the final chimney at the time. She was able to descend to 7,500 ft (2,290 m) on the south face and was rescued on July 24. On August 5, a five-man recovery team ascended the SE arête to retrieve Stone's body which was located some 850 ft (260 m) below the summit.^[4]

Geology

The mountain is composed of sedimentary rock laid down during the Precambrian to Jurassic periods.^[5] Formed in shallow seas, this sedimentary rock was pushed east and over the top of younger rock during the Laramide orogeny.^[6]

Climate

Based on the Köppen climate classification, Eon Mountain is located in a subarctic climate zone with cold, snowy winters, and mild summers.^[7] Temperatures can drop below −20 °C with wind chill factors below −30 °C.

Gallery

Eon Mountain to left, Aye Mountain centered, Assiniboine to right
Eon Mountain to left behind Mt. Assiniboine
Mts. Eon (left) & Aye (behind tree) from skiout

References

^ ^a ^b ^c "Eon Mountain". cdnrockiesdatabases.ca. Retrieved 2019-08-11.
^ ^a ^b ^c ^d "Eon Mountain". Bivouac.com. Retrieved 2019-08-27.
^ ^a ^b "Eon Mountain". Geographical Names Data Base. Natural Resources Canada. Retrieved 2019-08-27.
^ ^a ^b Thorington, J. Monroe (1966) [1921]. "White Man Pass to Simpson Pass". A Climber's Guide to the Rocky Mountains of Canada. With the collaboration of Putnam, William Lowell (6th ed.). American Alpine Club. p. 42. ISBN 978-1376169003.
^ Belyea, Helen (1960). "The Story of the Mountains in Banff National Park" (PDF). Geological Survey of Canada. Archived (PDF) from the original on 2 October 2015. Retrieved 2019-06-23.
^ Gadd, Ben (2008). "Geology of the Rocky Mountains and Columbias". {{cite journal}}: Cite journal requires |journal= (help)
^ Peel, M. C.; Finlayson, B. L.; McMahon, T. A. (2007). "Updated world map of the Köppen−Geiger climate classification". Hydrol. Earth Syst. Sci. 11 (5): 1633–1644. Bibcode:2007HESS...11.1633P. doi:10.5194/hess-11-1633-2007. ISSN 1027-5606. S2CID 9654551.