Columbia Basin

Columbia Basin may refer to:

• Columbia Plateau, the geographic region in the Pacific Northwest commonly referred to as the Columbia Basin
• Columbia Plateau (ecoregion), an ecoregion in the U.S. states of Oregon and Washington
• Columbia River drainage basin, a drainage basin covering parts of U.S. and Canada
• Columbia River Basalt Group, a set of rock layers that underlies the Columbia Plateau, above.

• All pages with titles beginning with Columbia Basin

This disambiguation page lists articles associated with the title Columbia Basin.
If an internal link led you here, you may wish to change the link to point directly to the intended article.