Central Coast GIS
Wine appellation · CA

Diablo Grande

The Diablo Grande appellation was established in 1998 and covers 34,568 acres across Stanislaus.

Established1998
Area34,568 acres · 54 sq miles
CountiesStanislaus
Federal listing27 CFR 9.156
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How it came to be

Recognised by the federal government on petition by Vincent E. Petrucci.

34,568 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:

The beginning point is at Reservoir Spillway 780 in section 8, Township 6 South, Range 7 East (T. 6S., R. 7E.) on the Patterson Quadrangle U.S.G.S. map. (1) Then proceed northwest to Salt Grass Springs to the point where the 1000 foot contour line crosses the northern section line of section 9, T. 6S., R. 6E., on the Copper Mtn., Quadrangle U.S.G.S. map. (2) Then proceed due south past Copper Mountain in section 16,...

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.