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Elevation varies from 300 to 1,200 feet (90 to 370 m). Today, the region is the driest and warmest part of the Columbia Plateau, with mean annual precipitation varying from 7 to 10 inches (180 to 250 mm). Major irrigation projects provide Columbia River water to the region, allowing the conversion of large areas into agriculture.
The Columbia Plateau is an important geologic and geographic region that lies across parts of the U.S. states of Washington, Oregon, and Idaho. [1] It is a wide flood basalt plateau between the Cascade Range and the Rocky Mountains , cut through by the Columbia River .
The topographic elevation of a summit measures the height of the summit above a geodetic sea level. [2] [3] ... Columbia Plateau: 7,165 ft 2184 m: 2,143 ft 653 m:
Badger Mountain is part of the Columbia Plateau. The Badger Mountain Ski Area is located on the mountain's northeastern flank. According to Edmond S. Meany , a Mt. St. Pierre named by Lt. Johnson of the United States Exploring Expedition in 1841 was probably Badger Mountain. [ 3 ]
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 ...
The Wallowa Mountains (/ w ə ˈ l aʊ w ə /) are a mountain range located in the Columbia Plateau of northeastern Oregon in the United States.The range runs approximately 40 miles (64 km) northwest to southeast in southwestern Wallowa County and eastern Union County between the Blue Mountains to the west and the Snake River to the east.
Physiographic regions of the U.S. Interior; the Intermontane Plateaus are marked 20 (Columbia Plateau), 21 (Colorado Plateau) and 22 (Basin and Range). In the context of physical geography, the Intermontane Plateaus is one of eight physiographic regions of the contiguous United States.
The Interior Plateau comprises a large region of the Interior of British Columbia, and lies between the Cariboo and Monashee Mountains on the east, and the Hazelton Mountains, Coast Mountains and Cascade Range on the west. [1] [2] The continuation of the plateau into the United States is known there as the Columbia Plateau.