Chateau Ste. Michelle owns 3,500 acres in Washington state's renowned
Columbia Valley. The Columbia Valley American Viticulture Area (AVA) is a
region separated from Seattle's rainy, marine climate by the Cascade Mountains.
The mountains shield the rain, limiting annual rainfall to 6-8 inches, allowing
our vineyard managers to control vine vigor through irrigation. All vines in
the Columbia Valley are planted on their own rootstock, which helps us maintain
the health and longevity of our vineyards and preserves the grape variety in
its natural state.