The Columbia Gorge AVA was established in 2004. Of the region's , nearly were planted as of 2008. Similar to the Columbia Valley and Walla Walla AVAs, this appellation also crosses over the southern Washington border into Oregon where Pinot noir and Pinot gris are grown. Located along the Columbia River where it bisects the Cascade Range, parts of the AVA fall within a wind tunnel that is a popular tourist destination for wind surfing but can be too fierce for viticulture. Most of the vineyards planted on the Washington side of the appellation are located on southward facing slopes along the river where they can receive some protection from the winds. Depending upon the elevation, vineyards in the Columbia Gorge AVA receive anywhere from 18-30 inches (46-76 centimeters) of rain annually.