The geographic scope of SNVB and its flagship publication, Nortwest Naturalist, is northwestern North America west of the Great Plains and north of the Mojave Desert.

Canada

Yukon,Northwest Territories (Western),

British Columbia, Alberta, Saskatchewan

United States

Alaska, Washington,Montana

Oregon, Idaho, Wyoming (western)

California (northern and central)

Nevada (north of the Moave Desert), Utah,

Colorado (western)