This article is about an ecozone and should not be confused with articles covering the physiographic regions covering the same area, which are the Canadian Rockies, Columbia Mountains, and portions of the Thompson Plateau.
Montane Cordillera Ecozone, as defined by the Commission for Environmental Cooperation (CEC), is an ecozone in south-central British Columbia and southwestern Alberta, Canada (an ecozone is equivalent to a Level I ecoregion in the United States). A rugged and mountainous ecozone spanning 473,000 square kilometres, it still contains "two of the few significant agricultural areas of the province", the  Creston Valley and the Okanagan Valley. Primarily a mountainous region, it consists of rugged ecosystems such as alpine tundra, dry sagebrush and dense conifer forests. The interior  plains are encircled by a ring of mountains. The area has a mild climate throughout the year, with typically dry summers and wet winters. 
The corresponding name in the United States for this ecozone, where it is classed as a Level I ecoregion by the
United States Environmental Protection Agency, which is identical though differently-named than the CEC system, is the Northwestern Forested Mountains ecoregion.
It contains the headwaters for the
Fraser and Columbia rivers and many of their tributaries, notably the Thompson and Kootenay. Within the ecozone are also found dozens of provincial parks and seven national parks:
It is bordered to the west by the
Pacific Maritime Ecozone, to the north by the Boreal Cordillera Ecozone, to the northeast by the Boreal Plains Ecozone, and to the southeast by the Prairies Ecozone.
"Human Activities in the Montane Cordillera Ecozone". Environment Canada. Archived from the original on March 21, 2004 . Retrieved . 2008-01-31
"Montane Cordillera". Evergreen Native Plants Database. Archived from the original on December 16, 2007 . Retrieved . 2008-01-31
"Montane Cordillera Ecozone" (PDF). Parks Canada. Archived from the original (PDF) on June 5, 2011 . Retrieved . 2008-01-31
Bernhardt, Torsten. "Montane Cordillera". Canada's Ecozones, Canadian Biodiversity project. McGill University, Redpath Museum . Retrieved . 2008-01-31
"Terrestrial Ecozones of Canada". Teacher Resource Centre. Parks Canada. Archived from the original on March 9, 2008 . Retrieved . 2008-02-13
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