Central Coast GIS
Wine appellation · OR

Willamette Valley

The Willamette Valley appellation was established in 1983 and covers 3,467,889 acres across Benton, Clackamas, Lane. It contains 8 sub-appellations.

Established1983
Area3,467,889 acres · 5,419 sq miles
CountiesBenton, Clackamas, Lane, Linn, Marion, Multnomah, Polk, Washington, Yamhill
Contains8 smaller appellations
Federal listing27 CFR 9.90
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Inside this appellation

How it came to be

Recognised by the federal government on petition by Steve Thomson, the executive vice president of King Estate Winery in Eugene, Oregon.

3,467,889 acres


The boundary, as written into law

Every American wine appellation is defined in federal regulations by walking the boundary landmark by landmark. The official description of this one begins:

(1) West along the Columbia/Multnomah County line 8.5 miles to its intersection with the Washington/Multnomah County line; (2) South along the Washington County line 5 miles to its intersection with the 1,000 foot contour line; (3) Northwest (15 miles due northwest) along the 1,000 foot contour line to its intersection with State Highway 47, .5 mile north of "Tophill"; (4) Then, due west from State Highway 47...

Boundary traced by the UC Davis Library from the official descriptions in federal regulation, and released under an open licence. Smoothed for manufacturing. Decorative use only, not for legal boundary determination.