Cirrus Mountain is a mountain summit located in the upper

North Saskatchewan River The North Saskatchewan River is a glacier-fed river that flows from the Canadian Rockies continental divide east to central Saskatchewan, where it joins with the South Saskatchewan River to make up the Saskatchewan River. Its water flows event ...

valley on the shared boundary between

Banff National Park Banff National Park is Canada, Canada's first National Parks of Canada, national park, established in 1885 as Rocky Mountains Park. Located in Alberta's Rockies, Alberta's Rocky Mountains, west of Calgary, Banff encompasses of mountainous ter ...

and White Goat Wilderness Area, in the

Canadian Rockies The Canadian Rockies () or Canadian Rocky Mountains, comprising both the Alberta Rockies and the British Columbian Rockies, is the Canadian segment of the North American Rocky Mountains. It is the easternmost part of the Canadian Cordillera, w ...

Alberta Alberta is a Provinces and territories of Canada, province in Canada. It is a part of Western Canada and is one of the three Canadian Prairies, prairie provinces. Alberta is bordered by British Columbia to its west, Saskatchewan to its east, t ...

, Canada. Cirrus Mountain is situated along the east side 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 ...

midway between Saskatchewan Crossing and Sunwapta Pass.

Topographic relief Terrain (), alternatively relief or topographical relief, is the dimension and shape of a given surface of land. In physical geography, terrain is the lay of the land. This is usually expressed in terms of the elevation, slope, and orientati ...

is significant as the summit rises above the parkway in . The nearest higher peak is

Mount Stewart Mount Stewart is a 19th-century house and garden in County Down, Northern Ireland, owned by the National Trust. Situated on the east shore of Strangford Lough, a few miles outside the town of Newtownards and near Greyabbey, it was the Iris ...

, to the north-northeast.

History

In 1928, Morrison P. Bridgland suggested the name ''Mount Huntington'' for the mountain, but it was not adopted. However, the Huntington name endures as the name of the ''Huntington Glacier'' below the eastern aspect of the summit. The mountain was instead named Cirrus Mountain, and that toponym was officially adopted in 1935 by the

Geographical Names Board of Canada The Geographical Names Board of Canada (GNBC) is a national committee with a secretariat in Natural Resources Canada, part of the Government of Canada, which authorizes the names used and name changes on official federal government maps of Canad ...

. The

first ascent In mountaineering and climbing, a first ascent (abbreviated to FA in climbing guidebook, guide books), is the first successful documented climb to the top of a mountain or the top of a particular climbing route. Early 20th-century mountaineers a ...

of the mountain was accomplished in 1939 by C.B. Sissons and H.J. Sissons.

Geology

Like other mountains in Banff Park, Cirrus Mountain 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 ...

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. Formed in shallow seas, this sedimentary rock 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 ...

. The east aspect of Cirrus Mountain is covered by expansive glacial ice known as the Huntington Glacier.

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 ...

, Cirrus Mountain is located 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 ...

with cold, snowy winters, and mild summers. Winter temperatures can drop below -20 °C with wind chill factors below -30 °C. Weather conditions during winter make the Weeping Wall at the base of Cirrus Mountain's west face the premier place for

ice climbing Ice climbing is a climbing discipline that involves ascending routes consisting entirely of frozen water. To ascend, the ice climber uses specialist equipment, particularly double ice axes (or the more modern ice tools) and rigid crampons. ...

in the Canadian Rockies. Precipitation runoff from Cirrus Mountain drains into tributaries of the

Ice Climbing Routes

Ice Climbing Routes with

grades Grade most commonly refers to: * Grading in education, a measurement of a student's performance by educational assessment (e.g. A, pass, etc.) * A designation for students, classes and curricula indicating the number of the year a student has reach ...

on Cirrus Mountain: * ''Polar Circus'' - WI5 * ''Snivelling Gully'' - WI3 * ''Weeping Wall'' - WI3-6 * ''Weeping Pillar'' - WI6

Gallery

File:Panoramic of Cirrus Mountain.jpg, Cirrus Mountain File:Mountain Ridge, Icefields Parkway (5829663240).jpg, The south peak of Cirrus (3,160+ m) File:Weeping Wall and Athabasca River Jasper.jpg, Weeping Wall File:Cirrus Mountain viewed from Parker Ridge.jpg, Cirrus Mountain viewed from Parker Ridge File:Cirrus Mountain, south peak.jpg, Cirrus Mountain (south peak) and the Weeping Wall

History

Geology

Climate

Ice Climbing Routes

Gallery

See also

References

External links