Deltaform Mountain
{{Short description|Mountain in Canada}}
{{Infobox mountain
| name= Deltaform Mountain
| photo= Deltaform Mountain above larch.jpg
| photo_caption= Deltaform Mountain
| elevation_m= 3424
| elevation_ref={{cite opentopomap|Deltaform Mountain|51.301667|-116.245278|2023-07-23}}
| prominence_m= 822
| prominence_ref={{cite bivouac|id= 1577|name=Deltaform Mountain|access-date= 2008-12-31}}
| range= Bow Range
| parent_peak= Hungabee Mountain (3492 m)
| listing = {{ubl|Mountains of Alberta|Mountains of British Columbia}}
| country= Canada
| subdivision2_type= Provinces
| subdivision2= {{hlist|Alberta|British Columbia}}
| part_type = Protected area
| part = {{ubl|Banff National Park|Kootenay National Park}}
| map= Canada Alberta#Canada British Columbia#Canada
| map_caption= Location in Alberta##Location in British Columbia##Location in Canada
| map_size= 200
| label_position= left
| mapframe = yes
| mapframe-zoom = 8
| mapframe-caption = Interactive map of Deltaform Mountain
| coordinates= {{coord|51|18|06|N|116|14|43|W|type:mountain_region:CA_scale:100000|format=dms|display=inline,title}}
| topo_map= NTS {{Canada NTS Map Sheet|82|N|8}}
| first_ascent= 1 September 1903
by A. Eggers, H.C. Parker, C. Kaufmann, and H. Kaufmann
| easiest_route= rock/snow climb
}}
Deltaform Mountain is one of the mountains in the Valley of the Ten Peaks, located on the Continental Divide on the border of British Columbia and Alberta, and also on the border between Banff and Kootenay National Parks in Canada. The mountain was originally named Saknowa by Samuel Allen but Walter Wilcox named it to its official title in 1897 as it resembles the Greek letter delta.{{cite crdb|id= 365|name=Deltaform Mountain|access-date=2004-05-14}}
Deltaform was first climbed in 1903 by August Eggers and Herschel Clifford Parker who were guided by Christian and Hans Kaufmann.
__NOTOC__
Climbing routes
Geology
Deltaform Mountain is composed of sedimentary rock laid down during the Precambrian to Jurassic periods.{{Belyea-Banff-NP}} Formed in shallow seas, this sedimentary rock was pushed east and over the top of younger rock during the Laramide orogeny.{{cite book|title=Geology of the Rocky Mountains and Columbias |author=Gadd, Ben |year=2008}}
Climate
Based on the Köppen climate classification, Deltaform is located in a subarctic climate with cold, snowy winters, and mild summers. Temperatures can drop below {{convert|−20|C|F|0}} with wind chill factors below {{convert|−30|C|F|0}}.
Gallery
File:Moraine Lake 17092005.jpg|Valley of the Ten Peaks and Moraine Lake, Banff National Park, Canada. Mountains from left to right: Tonsa (3057 m),
Mount Perren (3051 m), Mount Allen (3310 m), Mount Tuzo (3246 m), Deltaform Mountain (3424 m), Neptuak Mountain (3233 m)
See also
References
{{reflist|refs=
{{cite bcgnis|id=13790|title=Deltaform Mountain|access-date=2016-07-28}}
{{cite journal | author = Peel, M. C. |author2=Finlayson, B. L. |author3=McMahon, T. A. | year = 2007
| title = Updated world map of the Köppen−Geiger climate classification | journal = Hydrol. Earth Syst. Sci. | volume = 11
|issue=5 | pages = 1633–1644 |doi=10.5194/hess-11-1633-2007 |doi-access=free |bibcode=2007HESS...11.1633P | issn = 1027-5606| url = https://hal.archives-ouvertes.fr/hal-00298818/file/hessd-4-439-2007.pdf }}
}}
{{Canadian Rockies|state=collapsed}}
Category:Three-thousanders of Alberta
Category:Three-thousanders of British Columbia
Category:Mountains of Banff National Park
Category:Mountains of Kootenay National Park