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 Columbia Plateau is an important geologic and geographic region that lies across parts of the U.S. states of Washington, Oregon, and Idaho. It is a wide flood basalt plateau between the Cascade Range and the Rocky Mountains, cut through by the Columbia River.

The Puget Sound region along the Pacific coast, the volcanic Cascade Range immediately to the east, and eastern Washington's Columbia Plateau are the state's primary geographical features.

Columbia Plateau, geographic region, northwestern United States. It forms part of the intermontane plateaus and is bordered east by the Northern Rocky Mountains and west by the Sierra Nevada–Cascade region. The plateau covers an area of about 100,000 square miles (260,000 square km) in Washington,

Jan 19, 2024 · The Colombia Plateau or the Columbia Basalt Plains is a geographic region and a mountain range seen inside of the Columbia River Basin, east of Washington. It is a basalt plain spanning 301,329km^2 with an elevation on 1,219m or 4000ft above sea level.

The Columbia Basin is a vast plateau characterized by incised rivers. The region is underlain by the Miocene Columbia River Basalt Group, which is-sued from vents and fissures in southeastern Washington about 15 million years ago.

Mobile map of Columbia Plateau State Park Trail, Washington. For use in the Field Maps app by ESRI. Published January 2022.

Washington's eastern region includes the Columbia Plateau and Kettle River Range. The Cascade Range runs through the middle of the state. The Olympic Mountains and the coastal plain around Puget Sound are in the west. Major rivers in Washington include the Columbia, Pend Oreille, Snake, and Yakima.

The Columbia Basin Plateau Region is marked by the Washington side of the Columbia River Gorge, the Yakima Valley, and Mount Adams. These features help to define the region.

The 130-mile Columbia Plateau State Park Trail weaves together a diverse parade of landscapes filled with stories of land and people along the route of the abandoned Spokane, Portland and Seattle Railway. The trail stretches through a swath of today’s eastern Washington, from ponderosa pine forests near Spokane across the volcanic “scablands” and into the deep canyon of the Snake River ...