Central Coast GIS
Wine appellation · CA

Northern Sonoma

The Northern Sonoma appellation was established in 1985 and covers 394,385 acres across Sonoma. It contains 9 sub-appellations.

Established1985
Area394,385 acres · 616 sq miles
CountiesSonoma
Part ofNorth Coast
Contains9 smaller appellations
Federal listing27 CFR 9.70
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Inside this appellation

How it came to be

Recognised by the federal government on petition by Gallo Family Vineyards.

394,385 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:

The Northern Sonoma viticultural area is located in Sonoma County, California. The boundary description includes (in parentheses) the local names of roads that are not identified by name on the map. (1) The beginning point is on the Sonoma County, map in the town of Monte Rio at the intersection of the Russian River and a secondary highway (Bohemian Highway); (2) The boundary follows this secondary highway (Bohemian...

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.