Los Carneros
Location: California, United States
Legal name: Los Carneros American Viticultural Area
Regulatory body: TTB
Official designation: 27 CFR §9.32
Los Carneros is modeled here as the appellation/legal-origin layer for the existing EncyclopediaOfWine region row. It identifies the protected label name associated with California, while the original region row remains available as legacy geographic context until downstream links are fully migrated. The AVA is legally distinct from either county alone and is especially important for Pinot Noir, Chardonnay, and sparkling wine. Commonly associated grapes include Pinot Noir, Chardonnay, Merlot, Syrah, Pinot Gris. AVA status in the United States is origin-based rather than grape-prescriptive: it protects a delimited place-name and does not require one authorized grape list or a European-style production recipe.
Permitted Grapes
No AVA-specific grape restrictions. Commonly associated grapes: Pinot Noir, Chardonnay, Merlot, Syrah, Pinot Gris.
Notable Rules
AVA label use is origin-based: under 27 CFR §4.25(e)(3), at least 85 percent of the wine must be derived from grapes grown within the viticultural area, and American wine must be fully finished within the State, or one of the States, in which the AVA is located. The AVA does not impose a grape-variety list or European-style production code.
Recent Vintages
Recent Napa Valley context is dominated by climate volatility: drought pressure, heat spikes, and the highly visible 2020 wildfire/smoke year, followed by more favorable, extended ripening conditions in 2023 after winter rains. Public regional reports frame 2022 as a split, fast-moving harvest with an early white-wine start and heat pressure, while 2023 gave growers a slower, more classic window. Appellation-level differences still matter, but the vintage signal is mostly valley-wide rather than specific to a single nested AVA.
A general read of growing-season and harvest character — not a rating.
Also Known As
Los Carneros AVA, Los Carneros American Viticultural Area
Sources & References
- eCFR / 27 CFR §9.32 — United States appellation and AVA framework; public regulatory reference.
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REFERENCE NOTE
This entry is written as an educational overview and may synthesize public regulatory, historical, and editorial sources. It is not an official regulatory record.
Editorial text, descriptions, and vintage commentary © 2026 Encyclopedia of Wine — The Wine Atlas Library. All rights reserved. May not be reproduced without permission.