Quick answer
Opus One Winery is an Oakville, California estate founded in nineteen seventy-eight by Robert Mondavi and Baron Philippe de Rothschild. Its first vintage came in nineteen seventy-nine, and the winery became known for a Bordeaux-style blend built around Cabernet Sauvignon. Visitors can explore the limestone building, colonnaded porch, and vineyard history while learning how French and Californian winemaking traditions were combined.
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The Meeting That Made a Blend
Opus One began as a conversation between Robert Mondavi and Baron Philippe de Rothschild, first meeting at the Mauna Kea Beach Hotel in nineteen seventy. Their joint venture was announced in nineteen eighty, and the first vintage arrived in nineteen seventy-nine from grapes grown in Mondavi's To Kalon Vineyard. The wine was called napamedoc until nineteen eighty-two, when it took the name Opus One. The estate sits in Oakville, across State Route twenty-nine from Robert Mondavi Winery. Walk the grounds and notice how the vineyard blocks, the road, and the neighboring winery form a tight circle of ambition. Look for the limestone facade and imagine the early negotiations that turned a vineyard into a shared project.
Limestone, Oak, and Redwood
The winery building is where the partnership becomes visible. From nineteen eighty-nine to nineteen ninety-one, the estate built a large limestone winery in Oakville, and the first vintage from the new winery came in nineteen ninety-one. Architect Scott Johnson shaped a neoclassical colonnaded porch that reads as French, while American white oak and California Redwood carry the Californian half of the story. Stand under the columns and compare the pale stone with the warm wood tones. Notice the immaculate gardens and the elegant reception building, then trace the line from the porch to the vineyard. Let the architecture explain what the label cannot: old-world formality and new-world openness standing side by side.
A Second Wine and a Global Name
Since nineteen ninety-three, Opus One has produced a second wine called Overture. After Constellation Brands took over Robert Mondavi winery in two thousand four, the estate of Baron Rothschild negotiated control of marketing, vineyard management, and administration. The winery sells internationally and keeps its Oakville address at seven thousand nine hundred St Helena Hwy. In twenty twenty-three, the estate received a Winery Star Certificate of Excellence. Find the tasting route and ask about the blend's grapes: Cabernet Sauvignon, Cabernet Franc, Merlot, Malbec, and Petit Verdot. Hold a glass and look for the balance the partnership promised, then step outside to see how a vineyard block became a worldwide reference point.