winery

Opus One

United States

Philosophy

Hand-harvested fruit sorted with meticulous care into gravity-fed fermentation tanks; long, warm maceration in temperature-controlled stainless steel; eighteen months in new French oak followed by additional barrel age before release. Each vintage receives three years total maturation—two and a half in wood and bottle combined—before release to market.

Reputation

Born in 1979 from an unprecedented transatlantic collaboration between Robert Mondavi, the visionary California pioneer, and Baron Philippe de Rothschild, proprietor of Château Mouton Rothschild in Bordeaux, Opus One emerged from a 1970 chance encounter in Hawaii and materialized through shared conviction: to fuse Old World tradition with New World terroir into a single expression of uncommon nobility. Located in Oakville, Napa Valley, upon carefully tended benchland warmed by geothermal springs, the estate stands as architecture and philosophy made stone—a reverence for singularity rather than volume.

AllocationJoint venture (not traditional estate or cooperative structure; classified as negoce due to shared ownership/management model). Founding year cited variously as 1978, 1979, and 1980 across sources; 1979 chosen as first vintage year, though joint venture announcement was 1980. Vineyard holdings: sources vary between 55–170 hectares depending on whether figure includes leased parcels or estate holdings only; 55 hectares cited on official Baron Philippe de Rothschild site used here as most conservative. Production: 25,000 cases/year confirmed across multiple reliable sources (300,000 bottles). Current winemaker Michael Silacci since 2001 not listed as proprietor per schema instructions. Organic certification (CCOF) verified via official winery sustainability page, June 2025. No biodynamic certification found. Japan importer identified via Jeroboam Co Ltd. and Cellar Door Aoyama; no US or UK exclusive importer identified (direct sales model via website and distributor network in 90+ countries). Pairing prose authored in chef voice per schema request. | Importer overflow captured (importer_japan): 'Jeroboam Co Ltd. (via Cellar Door Aoyama)'

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