Central Coast GIS
Wine appellation · CA

Santa Maria Valley

The Santa Maria Valley appellation was established in 1981 and covers 116,021 acres across San Luis Obispo, Santa Barbara. It sits inside Central Coast.

Established1981
Area116,021 acres · 181 sq miles
CountiesSan Luis Obispo, Santa Barbara
Part ofCentral Coast
Federal listing27 CFR 9.28
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How it came to be

Recognised by the federal government on petition by Sara Schorske of Compliance Service of America.

116,021 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:

(1) Begin on the Orcutt quadrangle map at the intersection of U.S. Route 101 and Clark Avenue, section 18 north boundary line, T9N/R33W, then proceed generally north along U.S. Route 101 approximately 10 miles onto the Santa Maria quadrangle map to U.S. Route 101's intersection with State Route 166 (east), T10N/R34W; then (2) Proceed generally northeast along State Route 166 (east) onto the San Luis Obispo N.I....

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.