Columbia Gorge(not to be confused with Columbia Valley which has a more constant climate throughout) is 300 Square miles, more than 20 wineries, and 30+ grape varietals grown in this region. The Columbia river runs through this region pouring across volcanic rocks and the Cascade mountain Range and runs into the pacific Ocean. Columbia Gorge AVA is one of three unique American Viticultural Areas that stands out because of its shared land with Oregon and wide range of climate located there.
There are four counties and river valleys located within here two from Washington and two from Oregon. On the west you will find cool maritime climates and an average rainfall of 40 inches annually, that is an inch a mile spanning the entire length of the Columbia Gorge AVA. While eastern desert climate receives approx 10 inches of rainfall annually.
The terroir is described as largely varied desert to cool maritime, there are strong gorge winds, plateaus and large variances in elevation, steep volcanic rocks on either side, which helps structure the terraced benchlands and silty loam soil. Loam is a fertile soil of clay and and containing humus(mold). Some grape varietals grown in Columbia Gorge: Albariño, Syrah, Pinot Noir, Gewurztraminer, Zinfandel, Cabernet, Pinot Gris, Chardonnay, Reisling, Sangiovese, Aglianico, Barbera, Lemberger, Malbec, Marsanne, Merlot, and Mouvedre.
There are many more varietals grown here, from this region you can expect to enjoy some inexpensive to- moderately priced table wines. Here are a few you may be familiar with, Maryhill Winery, Domaine Poullion, Naked Winery, and Viento. Great wines that will impress your friends without exhausting your ends, Oohlala!!!