Central Coast GIS
Wine appellation · CA

Temecula Valley

The Temecula Valley appellation was established in 1984 and covers 89,732 acres across Riverside. It sits inside South Coast.

Established1984
Area89,732 acres · 140 sq miles
CountiesRiverside
Part ofSouth Coast
Federal listing27 CFR 9.50
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How it came to be

Recognised by the federal government on petition by Rancho California/Temecula Winegrowers Association and Callaway Vinyard and Winery.

89,732 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 Temecula Valley viticultural area is located in Riverside County, California. The boundary is as follows: (1) The beginning point is the northernmost point of the Santa Rosa Land Grant where the Santa Rosa Land Grant boundary intersects the easternmost point of the Cleveland National Forest boundary. (2) The boundary follows the Cleveland National Forest boundary southwesterly to the point where it converges...

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.