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Macleod Peak is a mountain summit located in the Canadian Cascades of
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, ...
, Canada.


Description

Macleod Peak is the third-highest summit of Manson Ridge which is a subrange of the
Hozameen Range The Hozameen Range (spelled Hozomeen Range in the United States) is a mountain range in southwestern British Columbia and northern Washington, straddling the division between the Coast and Interior regions of that province. It is a subrange of ...
. It is situated southeast of
Hope Hope is an optimistic state of mind that is based on an expectation of positive outcomes with respect to events and circumstances in one's life or the world at large. As a verb, its definitions include: "expect with confidence" and "to cherish ...
and west of Mount Hatfield which is the nearest higher neighbor. Precipitation
runoff Runoff, run-off or RUNOFF may refer to: * RUNOFF, the first computer text-formatting program * Runoff or run-off, another name for bleed, printing that lies beyond the edges to which a printed sheet is trimmed * Runoff or run-off, a stock market ...
from the peak drains into Eight Mile and Eleven Mile creeks which are both tributaries of the
Nicolum River The Nicolum River, formerly Nicolum Creek, is a tributary of the Coquihalla River, rising in the Cascade Mountains and flowing northwest to join that stream near the town of Hope, British Columbia, Canada. Nicolum River Provincial Park is located ...
. Topographic relief is significant as the summit rises 1,000 metres (3,280 feet) above Eleven Mile Creek in 1.5 kilometre (0.93 mile). The mountain's toponym was officially adopted on April 7, 1955, 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 Canada ...
. The mountain's name honors
Royal Canadian Air Force The Royal Canadian Air Force (RCAF; french: Aviation royale canadienne, ARC) is the air and space force of Canada. Its role is to "provide the Canadian Forces with relevant, responsive and effective airpower". The RCAF is one of three environm ...
Pilot Officer Alexander Harvey Macleod, from Sardis, who was killed in WWII action during air operations over Europe on October 15, 1944, at age 22.


Geology

The North Cascades features some of the most rugged topography in the
Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, ...
with craggy peaks, ridges, and deep
glacial valley U-shaped valleys, also called trough valleys or glacial troughs, are formed by the process of glaciation. They are characteristic of mountain glaciation in particular. They have a characteristic U shape in cross-section, with steep, straight s ...
s. Geological events occurring many years ago created the diverse topography and drastic elevation changes over the Cascade Range leading to the various climate differences. These climate differences lead to vegetation variety defining the
ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of l ...
s in this area. The history of the formation of the Cascade Mountains dates back millions of years ago to the late
Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
Epoch. With the
North American Plate The North American Plate is a tectonic plate covering most of North America, Cuba, the Bahamas, extreme northeastern Asia, and parts of Iceland and the Azores. With an area of , it is the Earth's second largest tectonic plate, behind the Pacific ...
overriding the
Pacific Plate The Pacific Plate is an oceanic tectonic plate that lies beneath the Pacific Ocean. At , it is the largest tectonic plate. The plate first came into existence 190 million years ago, at the triple junction between the Farallon, Phoenix, and Iza ...
, episodes of volcanic igneous activity persisted. In addition, small fragments of the
oceanic Oceanic may refer to: *Of or relating to the ocean *Of or relating to Oceania **Oceanic climate **Oceanic languages **Oceanic person or people, also called "Pacific Islander(s)" Places * Oceanic, British Columbia, a settlement on Smith Island, ...
and continental lithosphere called
terrane In geology, a terrane (; in full, a tectonostratigraphic terrane) is a crust fragment formed on a tectonic plate (or broken off from it) and accreted or " sutured" to crust lying on another plate. The crustal block or fragment preserves its own ...
s created the North Cascades about 50 million years ago. During the
Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...
period dating back over two million years ago, glaciation advancing and retreating repeatedly scoured the landscape leaving deposits of rock debris. The U-shaped cross sections of the river valleys are a result of recent glaciation.
Uplift Uplift may refer to: Science * Geologic uplift, a geological process ** Tectonic uplift, a geological process * Stellar uplift, the theoretical prospect of moving a stellar mass * Uplift mountains * Llano Uplift * Nemaha Uplift Business * Uplif ...
and faulting in combination with glaciation have been the dominant processes which have created the tall peaks and deep valleys of the North Cascades area.


Climate

Most weather fronts originate in the Pacific Ocean, and travel east toward the Cascade Mountains. As fronts approach the North Cascades, they are forced upward by the peaks of the Cascade Range, causing them to drop their moisture in the form of rain or snowfall ( orographic lift). As a result, the west side of the North Cascades experiences higher precipitation than the east side. During winter months, weather is usually cloudy, but due to high pressure systems over the Pacific Ocean that intensify during summer months, there is often little or no cloud cover during the summer.Beckey, Fred W. ''Cascade Alpine Guide, Climbing and High Routes'', Vol. 3, Mountaineers Books (2008), . As a result, the Cascade Mountains experience high precipitation, especially during the winter months in the form of snowfall. Winter temperatures can drop below −10 °C with wind chill factors below −20 °C. The months of July through September offer the most favorable weather for viewing and climbing Macleod Peak.


See also

* * Geography of British Columbia *
Geography of the North Cascades The geography of the North Cascades describes a range of rugged mountains in British Columbia, Canada and Washington (U.S. state), Washington, United States. In Canada, the range is officially named the Cascade Range, Cascade Mountains but is commo ...


References


External links

* Pilot Officer Alexander Harvey MacLeod
Canadian Virtual War Memorial
* Weather forecast
Macleod Peak
{{Geographic Location 2 , Center = Macleod Peak , North = Eight Mile Creek , Northeast = Eight Mile Creek , East = Mount Hatfield , Southeast = Mount Outram , South = Johnson Peak , Southwest = Eleven Mile Creek , West =
Nicolum River The Nicolum River, formerly Nicolum Creek, is a tributary of the Coquihalla River, rising in the Cascade Mountains and flowing northwest to join that stream near the town of Hope, British Columbia, Canada. Nicolum River Provincial Park is located ...
, Northwest = Eight Mile Creek Two-thousanders of British Columbia Canadian Cascades Cascade Range North Cascades Yale Division Yale Land District