The Columbia Mountains are a group of mountain ranges along the Upper Columbia River in British Columbia, Montana, Idaho and Washington. The mountain range covers 135,952 km² (52,491 sq mi). The range is bounded by the Rocky Mountain Trench on the east, and the Kootenai River on the south; their western boundary is the edge of the Interior Plateau. Seventy-five percent of the range is located in Canada and the remaining twenty-five percent in the United States; American geographic classifications place the Columbia Mountains as part of the Rocky Mountains complex, but this designation does not apply in Canada (despite a British Columbia government tourism campaign to rebrand their southern portion as the "Kootenay Rockies"). Mount Sir Sandford is the highest mountain in the range, reaching 3,519 metres (11,545 ft).
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👉 Columbia Mountains in the context of Quesnel Highland
The Quesnel Highland is a geographic area in the Central Interior of the Canadian province of British Columbia. As defined by BC government geographer in Landforms of British Columbia, an account and analysis of British Columbia geography that is often cited as authoritative, the Highland is a complex of upland hill and plateau areas forming and defined as being the buffer between the Cariboo Plateau and the Cariboo Mountains, as a sort of highland foothills along the eastern edge of the Interior Plateau running southeast from a certain point southeast of the city of Prince George to the Mahood Lake area at the southeast corner of the Cariboo. Beyond Mahood Lake lies another separately classified area dubbed by Holland the Shuswap Highland which spans similar terrain across the North Thompson and Shuswap Lake-Adams River drainage basins, forming a similar upland-area buffer between the Thompson Plateau and the Monashee Mountains. A third area, the Okanagan Highland, extends from the southern end of the Shuswap Highland in the area of Vernon and Enderby in the northern Okanagan region into Washington State, and also abuts the Monashee Mountains .
The boundary of the Quesnel Highland is not precisely defined in Holland, and in some interpretations it may be considered to be part of the Interior Plateau, as Holland defines it, or as a subrange of the Cariboo Mountains. Those mountains also, in some reckonings, are classified as part of the Interior Plateau rather than their usual association as the northernmost subrange of the Columbia Mountains. Generally it is composed of the lower, westerly valleys of Horsefly Lake, Quesnel Lake, and the Bowron Lakes, most of the Cariboo goldfield towns and similar terrain northwestwards, to about where the Willow River rounds the northern end of the Cariboo Mountains to join the Fraser River.
- ⭐ Core Definition: Columbia Mountains
- 👉 Columbia Mountains in the context of Quesnel Highland
- Columbia Mountains in the context of Wells Gray-Clearwater volcanic field
- Columbia Mountains in the context of Canadian Rockies
- Columbia Mountains in the context of Cariboo Mountains
- Columbia Mountains in the context of Battle Range
- Columbia Mountains in the context of Rocky Mountain Trench
Columbia Mountains in the context of Wells Gray-Clearwater volcanic field
The Wells Gray-Clearwater volcanic field, also called the Clearwater Cone Group, is a potentially active monogenetic volcanic field in east-central British Columbia, Canada, located approximately 130 km (81 mi) north of Kamloops. It is situated in the Cariboo Mountains of the Columbia Mountains and on the Quesnel and Shuswap Highlands. As a monogenetic volcanic field, it is a place with numerous small basaltic volcanoes and extensive lava flows.
Most of the Wells Gray-Clearwater volcanic field is encompassed within a large wilderness park called Wells Gray Provincial Park. This 5,405 km (2,087 sq mi) park was established in 1939 to protect Helmcken Falls and the unique features of the Clearwater River drainage basin, including this volcanic field. Five roads enter the park and provide views of some of the field's volcanic features. Short hikes lead to several other volcanic features, but some areas are accessible only by aircraft.
Columbia Mountains in the context of Canadian Rockies
The Canadian Rockies (French: Rocheuses canadiennes) 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, which is the northern segment of the North American Cordillera, the expansive system of interconnected mountain ranges between the Interior Plains and the Pacific Coast, that runs northwest–southeast from central Alaska to the Isthmus of Tehuantepec in Mexico.
Canada officially defines the Rocky Mountains system as the mountain chains east of the Rocky Mountain Trench extending from the Liard River valley in northern British Columbia to the Albuquerque Basin in New Mexico, not including the Mackenzie, Richardson and British Mountains/Brooks Range in Yukon and Alaska (which are all included as the "Arctic Rockies" in the United States' definition of the Rocky Mountains system). The Canadian Rockies, being the northern segment of this chain, is thus defined as comprising the central-eastern section of the North American Cordillera, between the Prairies of Alberta and the Liard Plain of northeastern British Columbia to the east and the Interior Mountains/Plateau and Columbia Mountains to the west. It is divided into the Northern Rockies (which is further subdivided into the Muskwa and Hart Ranges) and Continental Ranges, separated by the McGregor River valley, the McGregor Pass and the Kakwa River valley.
Columbia Mountains in the context of Cariboo Mountains
The Cariboo Mountains are the northernmost subrange of the Columbia Mountains, which run down into the Spokane area of the United States and include the Selkirks, Monashees and Purcells. The Cariboo Mountains are entirely within the province of British Columbia, Canada. The range is 7,700 square kilometres (3,000 sq mi) in area and about 245 km in length (southeast–northwest) and about 90 km at its widest (southwest–northeast).
Columbia Mountains in the context of Battle Range
The Battle Range is a subrange of the Selkirk Mountains of the Columbia Mountains in southeastern British Columbia, Canada, located between Incomappleux River and Duncan River south of Battle Brook. It is named in association with Battle Brook which in turn was the site of a legendary battle between a grizzly bear and 1890s prospector George Ritchie.
Columbia Mountains in the context of Rocky Mountain Trench
The Rocky Mountain Trench, also known as the Valley of a Thousand Peaks or simply the Trench, is a large valley on the western side of the northern part of North America's Rocky Mountains. The Trench is both visually and cartographically a striking physiographic feature extending approximately 1,600 km (1,000 mi) from Flathead Lake, Montana, to the Liard River, just south of the British Columbia–Yukon border near Watson Lake, Yukon. The trench bottom is 3–16 km (1.9–9.9 mi) wide and is 600–900 m (2,000–3,000 ft) above sea level. The general orientation of the Trench is an almost straight 150/330° geographic north vector and has become convenient as a visual guide for aviators heading north or south.
Although some of its topography has been carved into U-shaped glacial valleys, it is primarily a byproduct of geologic faulting. The Trench separates the Rocky Mountains on its east from the Columbia Mountains and the Cassiar Mountains on its west. It also skirts part of the McGregor Plateau area of the Nechako Plateau sub-area of the Interior Plateau of British Columbia. It is up to 25 km (16 mi) wide, if measured peak-to-peak, and varies in valley relief, but is clearly visible by air and satellite/remote sensing and is easily discernible to those ascending any of the mountains or ridges lining it.