Contra Costa
The Contra Costa appellation was established in 2024 and covers 170,551 acres across Contra Costa.
| Established | 2024 |
|---|---|
| Area | 170,551 acres · 266 sq miles |
| Counties | Contra Costa |
| Federal listing | 27 CFR 9.291 |
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How it came to be
Recognised by the federal government on petition by Contra Costa Wine Growers Association.
170,551 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) The beginning point is on the Bouldin Island map at the northernmost point of Holland Tract Road. From the beginning point, proceed south 1.9 miles along Holland Tract Road, crossing onto the Woodward Island map, to the intersection of the road with the 10-foot elevation contour; then (2) Proceed south-southeast in a straight line 4.1 miles to the intersection of Orwood Road and the Mokelumne Aqueduct; then (3)...
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.