Mount Evan-Thomas is a mountain summit located in the Opal Range of 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 Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

. Mount Evan-Thomas is the highest point in the Opal Range. It is situated in the Kananaskis River Valley northeast of

Lower Kananaskis Lake Lower Kananaskis Lake is a natural lake that was turned into a reservoir in Kananaskis Country in Alberta, Canada. Lower Kananaskis Lake is in Peter Lougheed Provincial Park along with the Upper Kananaskis Lake. The lake is part of a series of ...

and east of Highway 40 in

Peter Lougheed Provincial Park Peter Lougheed Provincial Park is in Kananaskis Country about west of Calgary, along the Kananaskis Trail in Alberta, Canada. This park is within Alberta's Rocky Mountains. The park was originally named Kananaskis Provincial Park, but was ren ...

. Its nearest higher peak is Mount Rae, to the south-southeast. __NOTOC__

History

The mountain was named in honor of

Rear Admiral Rear admiral is a flag officer rank used by English-speaking navies. In most European navies, the equivalent rank is called counter admiral. Rear admiral is usually immediately senior to commodore and immediately below vice admiral. It is ...

Sir

Hugh Evan-Thomas Admiral Sir Hugh Evan-Thomas, (27 October 1862 – 30 August 1928) was a British Royal Navy officer. During World War I he commanded the 5th Battle Squadron of the Grand Fleet, flying his flag in , and fought at the Battle of Jutland on 31 ...

(1862–1928),

Royal Navy The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...

commander of the

5th Battle Squadron The 5th Battle Squadron was a squadron of the British Royal Navy consisting of battleships. The 5th Battle Squadron was initially part of the Royal Navy's Second Fleet. During the First World War, the Home Fleet was renamed the Grand Fleet. His ...

of the

Grand Fleet The Grand Fleet was the main battlefleet of the Royal Navy during the First World War. It was established in August 1914 and disbanded in April 1919. Its main base was Scapa Flow in the Orkney Islands. History Formed in August 1914 from th ...

during the

Battle of Jutland The Battle of Jutland () was a naval battle between Britain's Royal Navy Grand Fleet, under Admiral John Jellicoe, 1st Earl Jellicoe, Sir John Jellicoe, and the Imperial German Navy's High Seas Fleet, under Vice-Admiral Reinhard Scheer, durin ...

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

. The name of the mountain was initially approved as Mount Evans-Thomas in 1922. The spelling error was corrected when the mountain's present name was made official in 1972 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 peak was made in 1954 by M.S. Hicks, W. Lemmon, G. Ross, I. Spreat, and J.F. Tarrant.

Geology

Mount Evan-Thomas 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 during 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 ...

. Mount Evan-Thomas was created during the

Lewis Overthrust The Lewis Overthrust is a geologic thrust fault structure of the Rocky Mountains found within the bordering national parks of Glacier in Montana, United States and Waterton Lakes in Alberta, Canada. The structure was created due to the collision o ...

. The steeply tilted strata are virtually the same in each peak of the Opal Range, with softer layers sandwiched between harder layers.

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 ...

, Mount Evan-Thomas 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 ...

zone with cold, snowy winters, and mild summers. Temperatures can drop below −20 °C with wind chill factors below −30 °C. In terms of favorable weather, June through September are the best months to climb Mount Evan-Thomas. Precipitation runoff from the mountain drains into tributaries of the

Kananaskis River The Kananaskis River is a mountain river in western Alberta, Canada. It is a tributary of the Bow River, crossing the length of Kananaskis Country. The river was named by John Palliser in 1858 after a Cree. Course The Kananaskis originates in th ...

References

External links

* Mount Evan-Thomas weather
Mountain Forecast
{{DEFAULTSORT:Evan-Thomas Three-thousanders of Alberta Opal Range

History

Geology

Climate

See also

References

External links