Mount Lefroy is a

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited Summit (topography), summit area, and ...

on the

Continental Divide A continental divide is a drainage divide on a continent such that the drainage basin on one side of the divide feeds into one ocean or sea, and the basin on the other side either feeds into a different ocean or sea, or else is endorheic, not ...

, at the border of

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

and

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

in western

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

. The mountain is located on the eastern side of

Abbot Pass Abbot Pass lies between Mount Lefroy and Mount Victoria, in the divide between the valleys of Lake O'Hara and Lake Louise. It was named for Philip Stanley Abbot who died in 1896 in an attempt to climb Mount Lefroy with Charles Fay, Charles ...

which separates Lake Louise in

Banff National Park Banff National Park is Canada's oldest 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 terrain, wi ...

from

Lake O'Hara Lake O'Hara is a lake at an elevation of in the alpine area of Yoho National Park, in the province of British Columbia, on the western side of the Great Divide with the province of Alberta and Banff National Park to the east. The lake and the va ...

Yoho National Park Yoho National Park ( ) is a National Parks of Canada, national park of Canada. It is located within the Canadian Rockies, Rocky Mountains along the western slope of the Continental Divide of the Americas in southeastern British Columbia, bordered ...

. Mount Victoria lies immediately on the western side of the pass. The mountain was named by George M. Dawson in 1894 for Sir

John Henry Lefroy Sir John Henry Lefroy (28 January 1817 – 11 April 1890) was an English military man and later colonial administrator who also distinguished himself with his scientific studies of the Earth's magnetism. Biography Lefroy was a son of the Rev ...

(1817–1890), an astronomer who had traveled over in Canada's north between 1842 and 1844 making meteorological and magnetic observations. The mountain is the site of the first fatal climbing accident in Canada. In 1896 during a failed summit bid, Philip Stanley Abbot slipped on rocks after just coming off an icy section and plummeted down the rock face to his death. The first successful ascent was made in 1897 by

J. Norman Collie Professor John Norman Collie FRSE FRS (10 September 1859 – 1 November 1942), commonly referred to as J. Norman Collie, was an English scientist, mountaineer and explorer. Life and work He was born in Alderley Edge, Cheshire, the second of ...

Arthur Michael Arthur Michael (August 7, 1853 – February 8, 1942) was an American organic chemist who is best known for the Michael reaction. Life Arthur Michael was born into a wealthy family in Buffalo, New York in 1853, the son of John and Clara Michael, wel ...

, H. Dixon; Charles Fay, Peter Sarbach, R. Vanderlip, C. Noyes, Charles Thompson, and H. Parker. A prominent painting by Canadian Group of 7 artist

Lawren Harris Lawren Stewart Harris LL. D. (October 23, 1885 – January 29, 1970) was a Canadian painter, best known as a leading member of the Group of Seven. He played a key role as a catalyst in Canadian art and as a visionary in Canadian landscape art. ...

, was painted at this site. __NOTOC__

Geology

Mount Lefroy is composed of

sedimentary rock Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles ...

laid down during the

Cambrian The Cambrian Period ( ; sometimes symbolized C with bar, Ꞓ) was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon. The Cambrian lasted 53.4 million years from the end of the preceding Ediacaran Period 538.8 million ...

period. 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, 70 to 80 million years ago, and ended 35 to 55 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 is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...

, Mount Lefroy is located in a

subarctic climate The subarctic climate (also called subpolar climate, or boreal climate) is a 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 an ocean, ge ...

zone with cold, snowy winters, and mild summers. Winter temperatures can drop below −20 °C with wind chill factors below −30 °C.

Gallery

File:Mt. Lefroy.jpg, North aspect, with The Mitre to left File:Above Lake Louise, Alberta, Canada.jpg, Northeast aspect File:Banff (14912254558).jpg, Mount Lefroy north aspect, and Victoria Glacier File:Mount Lefroy - James MacDonald.jpg,

J. E. H. MacDonald James Edward Hervey MacDonald (1873–1932) was an English-Canadian artist, best known as a member of the Group of Seven who asserted a distinct national identity combined with a common heritage stemming from early modernism in Europe in the ear ...

, ''Mount Lefroy'' (1932),

National Gallery of Canada The National Gallery of Canada (french: Musée des beaux-arts du Canada), located in the capital city of Ottawa, Ontario, is Canada's national art museum. The museum's building takes up , with of space used for exhibiting art. It is one of the l ...

Ottawa Ottawa (, ; Canadian French: ) is the capital city of Canada. It is located at the confluence of the Ottawa River and the Rideau River in the southern portion of the province of Ontario. Ottawa borders Gatineau, Quebec, and forms the core ...

File:Mount Lefroy from nw.jpg, Northwest aspect File:The base of The Mitre, Mt Lefroy and Mount Victoria - Flickr - aagay.jpg File:Fireweed in the Lake Louise Valley.jpg, Mt. Lefroy and Mt. Victoria (right)

References

External links

* Mount Lefroy weather
Mountain Forecast
* Parks Canada web site
Banff National Park
{{DEFAULTSORT:Lefroy, Mount Mountains of Banff National Park Three-thousanders of Alberta Three-thousanders of British Columbia Mountains of Yoho National Park Canadian Rockies Borders of Alberta Borders of British Columbia