Sunwapta Peak is a
peak Peak or The Peak may refer to:
Basic meanings Geology
* Mountain peak
** Pyramidal peak, a mountaintop that has been sculpted by erosion to form a point Mathematics
* Peak hour or rush hour, in traffic congestion
* Peak (geometry), an (''n''-3)-d ...
in the
Sunwapta River
The Sunwapta River is a major tributary of the Athabasca River in Jasper National Park in Alberta, Canada.
Course
The headwaters of the Sunwapta River are near the Columbia Icefield in the valley west-northwest of Sunwapta Pass, which divides Ja ...
valley of
Jasper National Park
Jasper National Park, in Alberta, Canada, is the largest national park within Alberta's Rocky Mountains, spanning . It was established as Jasper Forest Park in 1907, renamed as a national park in 1930, and declared a UNESCO world heritage site ...
, just north of the
Columbia Icefield
The Columbia Icefield is the largest ice field in North America's Rocky Mountains. Located within the Canadian Rocky Mountains astride the Continental Divide along the border of British Columbia and Alberta, Canada, the ice field lies partly ...
in Alberta, Canada. The peak was named in 1892 after the
Stoney language
Stoney—also called Nakota, Nakoda, Isga, and formerly Alberta Assiniboine—is a member of the Dakota subgroup of the Mississippi Valley grouping of the Siouan languages. The Dakotan languages constitute a dialect continuum consisting of Sante ...
word meaning "turbulent river".
[ The mountain can be seen from the ]Icefields Parkway
Highway 93 is a north–south highway in Alberta, Canada. It is also known as the Banff-Windermere Parkway south of the Trans-Canada Highway ( Highway 1) and the Icefields Parkway north of the Trans-Canada Highway. It travels through Banff Nat ...
(Highway 93).
Routes
The normal climbing route (an easy scramble) is via the southwest slopes, requiring an elevation gain of to the summit from the trail head beside the Icefields Parkway.[
]
Geology
Sunwapta Peak is composed of sedimentary rock
Sedimentary rocks are types of rock (geology), rock formed by the cementation (geology), cementation of sediments—i.e. particles made of minerals (geological detritus) or organic matter (biological detritus)—that have been accumulated or de ...
laid down from the Precambrian
The Precambrian ( ; or pre-Cambrian, sometimes abbreviated pC, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of t ...
to Jurassic
The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately 143.1 Mya. ...
periods that was pushed east and over the top of younger rock during the Laramide orogeny
The Laramide orogeny was a time period of mountain building in western North America, which started in the Late Cretaceous, 80 to 70 million years ago, and ended 55 to 35 million years ago. The exact duration and ages of beginning and end of the o ...
.
Climate
Based on the Köppen climate classification
The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...
, Sunwapta Peak is in a subarctic climate
The subarctic climate (also called subpolar climate, or boreal climate) is a continental climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of ...
zone with cold, snowy winters, and mild summers. Temperatures can drop below −20 °C with wind chill factors below −30 °C. Precipitation runoff from Sunwapta Peak drains into the Sunwapta River
The Sunwapta River is a major tributary of the Athabasca River in Jasper National Park in Alberta, Canada.
Course
The headwaters of the Sunwapta River are near the Columbia Icefield in the valley west-northwest of Sunwapta Pass, which divides Ja ...
which is a tributary of the Athabasca River
The Athabasca River (French: ''Rivière Athabasca'') in Alberta, Canada, originates at the Columbia Icefield in Jasper National Park and flows more than before emptying into Lake Athabasca. Much of the land along its banks is protected in nationa ...
.
Gallery
Sunwapta Peak from Icefields Parkway.jpg, Sunwapta Peak from southbound on the Icefields Parkway
References
External links
* Parks Canada web site
Jasper National Park
{{Canadian Rockies, state=collapsed
Three-thousanders of Alberta
Mountains of Jasper National Park
Front Ranges