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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 many of those in the North Cascades, and the notable volcanoes known as the High Cascades.
The North Cascades are a section of the Cascade Range of western North America. They span the border between the Canadian province of British Columbia and the U.S. state of Washington and are officially named in the U.S. and Canada [ 1 ] as the Cascade Mountains . [ 2 ]
West of the Cascades, Lane County and north Portland, Salem, Eugene: 3,010,021 (2015 est.) [1] Minimal definition. Sometimes includes Southern Oregon. Area on the map highlighted in blue. Applegate Valley: Southwestern Jackson and eastern Josephine counties along the Applegate River: Applegate, Ruch: Not available Cascade Range: Cascade ...
The Southern Cascades ecoregion is lower in elevation and less rugged than the surrounding regions and is characterized by gently sloping mountains and broad valleys. Elevation varies from 1,400 to 5,300 feet (430 to 1,620 m). The climate is drier than other parts of the Cascades, and the vegetation reflects the long summer drought.
The region was volcanically active from approximately 35 to 17 million years ago. The province is characterized as an older, deeply eroded volcanic range lying west of the more recent High Cascades. The Western Cascades range in elevation from 1,700 feet (520 m) on the western margin to 5,800 feet (1,800 m) on the eastern margin.
The geography of the North Cascades describes a range of rugged mountains in British Columbia, Canada and Washington, United States. In Canada, the range is officially named the Cascade Mountains but is commonly referred to as the Canadian Cascades.
The Southern Cascades Slope ecoregion is a transitional zone between the Cascades ecoregion and the drier Eastern Cascade Slopes and Foothills, characterized by moderately sloping mountains with medium to high gradient streams. Elevation varies from 3,600 to 6,300 feet (1,100 to 1,900 m).
C. Camp Robber Peak; Canadian Cascade Arc; Cannon Mountain (Washington) Cantharellus cascadensis; Cape Horn (Washington) Cardinal Peak; Carpenter Mountain (Oregon)