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The Calapooya Mountains in Lane County Mount Thielsen in the Cascade Range in southern Oregon The Pueblo Mountains south of Fields Trout Creek Mountains, Southeastern Oregon The Wallowa Mountains in northeastern Oregon. There are at least 50 named mountain ranges in the U.S. state of Oregon.
A col in geomorphology is the lowest point on a mountain ridge between two peaks. [1] It may also be called a gap or pass. [1] Particularly rugged and forbidding cols in the terrain are usually referred to as notches. They are generally unsuitable as mountain passes, but are occasionally crossed by mule tracks or climbers' routes.
Idealised mountain pass represented as the green line; the saddle point is in red.. Mountain passes make use of a gap, saddle, col or notch.A topographic saddle is analogous to the mathematical concept of a saddle surface, with a saddle point marking the minimum high point between two valleys and the lowest point along a ridge.
A narrow pass or gorge between mountains or hills. deforestation The natural or human destruction of forests. degree A unit of angular measure, represented by the º symbol. A circle is divided into 360 degrees; subdivisions of the degree include the minute (1 ⁄ 60 of one degree) and the second (1 ⁄ 3600 of one degree).
Emory Pass – New Mexico, NM Highway 152 crosses this pass in the Black Range between the towns of Kingston (east side) and San Lorenzo (west side). Fremont Pass – Nevada, in the Lake Range , 8 mi. NE of Pyramid Lake
Tufa found in Nahanni National Park. The Nahanni National Park Reserve, sometimes known as "Headless Valley" or "Valley of The Headless Men" (after a series of unsolved historical deaths in the park), in the Dehcho Region of the Northwest Territories, Canada (approximately 500 km (311 mi) west of Yellowknife), [4] protects a portion of the Mackenzie Mountains Natural Region.
pass See mountain pass. passive glacier A glacier with low rates of both alimentation and ablation because it receives only light snowfall and undergoes little melting throughout the year. Such glaciers move very slowly and transport relatively small amounts of ice and debris. [4] Contrast active glacier. pasture
In geography, a defile is a narrow pass or gorge between mountains or hills. The term originates from a military description of a route through which troops can march only in a narrow column or with a narrow front. [1] On emerging from a defile (or something similar) into open country, soldiers are said to "debouch".