Central Coast GIS
Wine appellation · CA

Wild Horse Valley

The Wild Horse Valley appellation was established in 1988 and covers 3,930 acres across Napa, Solano. It sits inside Napa Valley.

Established1988
Area3,930 acres · 6 sq miles
CountiesNapa, Solano
Part ofNapa Valley, North Coast, Solano County Green Valley, Green Valley of Russian River Valley
Federal listing27 CFR 9.124
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How it came to be

Recognised by the federal government on petition by John Newmeyer.

3,930 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) The beginning point is on the section line boundary between Section 33, Range 3 West, Township 6 North and Section 4, Range 3 West, Township 5 North, Mount Diablo Range and Meridian, marked with an elevation of 1,731 feet, which is a northwest corner of the boundary between Napa and Solano Counties. (2) From the beginning point, the boundary runs in a north-northeasterly direction approximately .9 mile to the...

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.