The Western Cascades have been highly eroded by rivers (Breitenbush River pictured)
Geography
Western Cascades
Country
United States
State
Oregon
The Western Cascades or Old Cascades are a sub-province of the Cascade Range in the U.S. state of Oregon, between the Willamette Valley and the High Cascades.[1] The Western Cascades contain many extinct shield volcanoes, cinder cones and lava flows, and the region is highly eroded and heavily forested. Deposits of the same age as the Western Cascades are also found in southwest Washington state.
^Sherrod, David. "Cascade Mountain Range in Oregon". Oregon Encyclopedia. Oregon Historical Society. Retrieved April 25, 2023.
The WesternCascades or Old Cascades are a sub-province of the Cascade Range in the U.S. state of Oregon, between the Willamette Valley and the High Cascades...
The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon...
the mountain range Cascades (conservation area), a wildland in western Virginia Cascades, Virginia, a census-designated place Cascades Park (Tallahassee)...
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a Native American people of Oregon that originally resided in the WesternCascades. There are few recorded sources about the Molala, the majority being...
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North Cascades is heavily influenced by the high elevation and rain shadow effects of the mountain range. The North Cascades is a section of the Cascade Range...
of the Cascade Mountains are grouped into two ranges, called the High Cascades and the WesternCascades; Thielsen is part of the High Cascades, which...
Douglas fir (Pseudotsuga menziesii) communities in the westernCascade Range in Oregon. Western tanager nests are typically found in coniferous trees toward...
forest stretches for over 100 miles (160 km) along the western slopes of the Cascades in Western Oregon. It extends from the Mount Jefferson area east...
Trophic cascades are powerful indirect interactions that can control entire ecosystems, occurring when a trophic level in a food web is suppressed. For...
in western Oregon in the United States. It drains an area of the Cascade Range into the Willamette Valley east of Corvallis. It rises in the Cascades in...
The Cascades frog (Rana cascadae) is a species of frog in the family Ranidae found in the Pacific Northwest, mainly in the Cascade Range and Olympic Mountains...
moisture in the form of rain or snowfall onto the Cascades. As a result, the west side of the North Cascades experiences high precipitation, especially during...
48 km) wide where the WesternCascades, old and deeply eroded, run west of and parallel to the younger volcanic peaks of the high Cascades. The strip includes...
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