Central Coast GIS
Wine appellation · OR

Tualatin Hills

The Tualatin Hills appellation was established in 2020 and covers 143,555 acres across Multnomah, Washington. It sits inside Willamette Valley.

Established2020
Area143,555 acres · 224 sq miles
CountiesMultnomah, Washington
Part ofWillamette Valley
Federal listing27 CFR 9.268
Digital download
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  • SVG and DXF cut files12, 18, 24 in · 300, 450, 600 mm
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How it came to be

Recognised by the federal government on petition by Rudolf Marchesi, Monitore Estate|Alfredo Apolloni, Apollini Vineyards|Mike Kuenz, David Hill Vineyard and Winery.

143,555 acres

Neighbouring appellations


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:

Boundary. The Tualatin Hills viticultural area is located in Clackamas, Multnomah and Washington Counties, in Oregon. The boundary of the Tualatin Hills viticultural area is as described below: (1) The beginning point is on the Dixie Mountain map at the intersection of North West Skyline Boulevard and North West Moreland Road. From the beginning point, proceed southwesterly along North West Moreland Road for...

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.