Cathedral Mountain is a mountain summit located in

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

Cathedral Mountain is a 1,737-meter-elevation (5,699-foot) peak situated 25 kilometers (15.5 miles) north of

Vancouver Vancouver ( ) is a major city in western Canada, located in the Lower Mainland region of British Columbia. As the List of cities in British Columbia, most populous city in the province, the 2021 Canadian census recorded 662,248 people in the ...

, in the

North Shore Mountains The North Shore Mountains are a mountain range overlooking Vancouver in British Columbia, Canada. Their southernmost peaks are visible from most areas in Vancouver and form a distinctive backdrop for the city. The steep southern slopes of the No ...

which are a subrange of the Coast Mountains. 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 marke ...

from Cathedral Mountain drains east to the Seymour River, and west to the

Capilano River The Capilano River flows from north to south through the Coast Mountains on Vancouver's North Shore between West Vancouver and North Vancouver (district municipality) and empties into Burrard Inlet, opposite Stanley Park. The river is one of three ...

via Eastcap Creek. Cathedral is more notable for its steep rise above local terrain than for its absolute elevation.

Topographic relief Terrain or relief (also topographical relief) involves the vertical and horizontal dimensions of land surface. The term bathymetry is used to describe underwater relief, while hypsometry studies terrain relative to sea level. The Latin w ...

is significant as the summit rises 1,500 meters (4,920 feet) above Seymour Valley in three kilometers (1.9 mile). Access to the peak is off-limits because the mountain lies within the Metro Vancouver watersheds which provide clean drinking water to the city. There are

radio repeater A radio repeater is a combination of a radio receiver and a radio transmitter that receives a signal and retransmits it, so that two-way radio signals can cover longer distances. A repeater sited at a high elevation can allow two mobile stations, ...

towers on the summit.

History

The

first ascent In mountaineering, a first ascent (abbreviated to FA in guide books) is the first successful, documented attainment of the top of a mountain or the first to follow a particular climbing route. First mountain ascents are notable because they en ...

of the summit was made 11 October 1908 by Basil S. Darling and H. Hewton. The landform was named for its cathedral-like appearance when viewed from the northeast by a British Columbia Mountaineering Club party who were climbing Mount Dickens in 1908. The mountain's toponym was officially adopted May 6, 1924, by the Geographical Names Board of Canada.

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 ...

, Cathedral Mountain is located in the

marine west coast An oceanic climate, also known as a marine climate, is the humid temperate climate sub-type in Köppen classification ''Cfb'', typical of west coasts in higher middle latitudes of continents, generally featuring cool summers and mild winters ...

climate zone of western North America. Most

weather fronts A weather front is a boundary separating air masses for which several characteristics differ, such as air density, wind, temperature, and humidity. Disturbed and unstable weather due to these differences often arises along the boundary. For ins ...

originate in the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contin ...

, and travel east toward the Coast Mountains where they are forced upward by the range (

Orographic lift Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain. As the air mass gains altitude it quickly cools down adiabatically, which can raise the relative humidity to 100% and cr ...

), causing them to drop their moisture in the form of rain or snowfall. As a result, the Coast Mountains experience high precipitation, especially during the winter months in the form of snowfall. Temperatures in winter can drop below −20 °C with wind chill factors below −30 °C.

Gallery

File:Cathedral Mountain in winter.jpg, South aspect in winter, seen from Coliseum Mountain File:Cathedral Mountain in BC Canada.jpg, Cathedral Mountain

References

External links