Great Basin(redirected from Lahontan Basin)
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A large self-contained drainage basin of the western United States, including most of Nevada and parts of Utah, Wyoming, Idaho, Oregon, and California. Situated in the rain shadow of the Sierra Nevada, the Great Basin is mostly arid.
(Placename) a semiarid region of the western US, between the Wasatch and the Sierra Nevada Mountains, having no drainage to the ocean: includes Nevada, W Utah, and parts of E California, S Oregon, and Idaho. Area: about 490 000 sq km (189 000 sq miles)
a region in the western U.S. that has no drainage to the ocean: includes most of Nevada and parts of Utah, California, Oregon, Wyoming, and Idaho. 210,000 sq. mi. (544,000 sq. km).