
Opus One Winery
Opus One Overture
2013
An estate-grown Bordeaux-style blend from Oakville, shaped by Opus One’s precision and a supple, approachable expression of Napa Valley.
Country
United States
Region
Napa Valley
More information
Producer
Opus One Winery stands in Oakville, at the centre of Napa Valley. Conceived as a Franco-American joint venture, the estate focuses on Cabernet Sauvignon-led Bordeaux-style red wines shaped by its own vineyards and extended maturation in French oak.
Quick Facts
- Location: Western Oakville AVA, Napa Valley, California
- Established: Partnership formed in 1978; first vintage produced in 1979
- Founders: Baron Philippe de Rothschild and Robert Mondavi
- Estate vineyards: Four parcels — two within To Kalon, plus Ballestra and River
- Key varieties: Cabernet Sauvignon, Cabernet Franc, Merlot, Petit Verdot and Malbec
- Core wines: Opus One and its second wine, Overture
History and Identity
The project was agreed in 1978 after the founders met at Château Mouton Rothschild. Their aim was to make a Napa Valley wine through close collaboration between French and American teams. The first vintage followed in 1979, while the purpose-built Oakville winery received its inaugural harvest in 1991. The name uses the musical term “opus” to describe the partnership’s first work.
Vineyards and Winemaking
Four parcels occupy western Oakville. Two holdings within To Kalon total 100 acres, while the Ballestra and River parcels add a combined 70 acres around the winery. Oakville’s gravelly alluvial soils, warm days and morning fog suit Cabernet Sauvignon while helping fruit retain acidity. Harvesting and sorting are conducted carefully, and the estate has maintained CCOF organic certification since 2021. Blends and maturation vary by vintage, with current releases typically aged for about 18–19 months in French oak.
Style and Portfolio
Opus One is Cabernet Sauvignon-led, with a structured profile that may show cassis, blackberry, violet, graphite, cedar and fine-grained tannins. Overture is selected from the same estate vineyards and has been vintage-dated since 2021. Both wines use blends that change with each harvest rather than a fixed varietal formula.
The estate remains relevant for its enduring French-American partnership, focused portfolio and detailed vintage-specific approach to Oakville wine.
Country
Region
Napa Valley
Napa Valley is the most prestigious wine region in the United States and has become synonymous with world-class Cabernet Sauvignon and premium winemaking. Located in Northern California approximately 80 kilometres north of San Francisco, the valley combines exceptional growing conditions with pioneering innovation, producing wines that consistently rank among the finest in the world. Since the famous 1976 Judgment of Paris, when Napa wines triumphed over prestigious Bordeaux châteaux in a blind tasting, the region has established itself as one of the great wine regions alongside Bordeaux and Burgundy.
Despite covering a relatively small area of approximately 19,000 hectares, Napa Valley contains an extraordinary diversity of soils, elevations and microclimates across 16 distinct AVAs. Cool morning fog from San Pablo Bay moderates temperatures in the southern Carneros and Oak Knoll districts, providing ideal conditions for Chardonnay and Pinot Noir, while warmer northern appellations such as Calistoga and St. Helena favour bold Cabernet Sauvignon and Zinfandel. Mountain districts including Howell Mountain, Mount Veeder and Diamond Mountain produce wines of exceptional structure and complexity from volcanic and sedimentary soils. Benchmark appellations such as Oakville, Rutherford and Stags Leap District each contribute unique expressions of terroir, with Rutherford's famed "Rutherford Dust" tannins and Stags Leap's elegant, refined style.
The region is home to many internationally acclaimed estates, including Screaming Eagle, Opus One, Harlan Estate, Dominus Estate, Shafer Vineyards, Caymus Vineyards, Cakebread Cellars and Spottswoode. These producers represent a culture of meticulous vineyard management, sustainable viticulture and uncompromising quality that has made Napa Valley one of the world's most respected and collectible wine destinations.
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Grapes
Cabernet Sauvignon is one of the world’s most important and widely planted red wine grapes, renowned for its powerful structure, concentrated fruit and exceptional ageing potential. Originating in Bordeaux, France, the variety has become a defining grape of fine wine regions around the world, particularly Napa Valley, Tuscany, Chile, Australia and South Africa.
Classic Cabernet Sauvignon combines flavours and aromas of blackcurrant, cassis, blackberry and dark cherry with characteristic notes of cedar, graphite, tobacco and herbs. Naturally high tannins and fresh acidity provide structure and longevity, while maturation in oak can add layers of spice, vanilla and toast. Its character varies significantly with climate, soil and winemaking, ranging from elegant and savoury to rich, powerful and intensely concentrated.
In Bordeaux, Cabernet Sauvignon is particularly associated with the Left Bank, where it forms the foundation of many prestigious blends alongside Merlot, Cabernet Franc and other permitted varieties. In Napa Valley, it has become the region’s signature red grape, producing some of the world’s most sought-after Cabernet Sauvignon wines.
Cabernet Sauvignon’s ability to express terroir while retaining its distinctive structure and character has made it a global benchmark for premium red wine. Whether produced as the dominant variety in a blend or as a varietal wine, the finest examples combine concentration, complexity and the capacity to develop gracefully over decades
Petit Verdot is a powerful red wine grape from south-west France, best known as a small but distinctive component of the classic red blends of Bordeaux. Its deeply coloured wines, firm tannins and concentrated aromatics allow even modest proportions to add structure, freshness and intensity alongside Cabernet Sauvignon, Merlot and Cabernet Franc.
On Bordeaux’s Left Bank, Petit Verdot is particularly associated with the gravel soils of the Médoc, including appellations such as Margaux, Saint-Julien, Pauillac and Saint-Estèphe. The variety buds relatively early but ripens late, making complete maturation challenging in cooler vintages. When fully ripe, it can retain vibrant acidity while developing considerable colour, tannin and aromatic complexity.
Typical expressions show blackberry, black cherry, blueberry and plum, accompanied by violet, liquorice, pepper, cocoa and other dark spices. In Bordeaux blends, Petit Verdot is generally used in limited quantities to reinforce colour, tannic structure and aromatic depth. Its combination of acidity and tannin can also contribute significantly to a wine’s ageing potential.
Beyond Bordeaux, warmer and more reliable growing conditions have allowed Petit Verdot to achieve greater ripeness and a more prominent role. Producers in California, Australia, Spain and South America increasingly use the variety in both Bordeaux-style blends and varietal wines. These expressions are often full-bodied and deeply coloured, with ripe dark fruit, floral character, spice and powerful tannins.
From its historic role in the Médoc to its expanding presence as a varietal wine, Petit Verdot is defined by colour, structure, freshness and aromatic intensity. Once regarded primarily as a supporting grape, it is increasingly recognised as a distinctive variety capable of producing serious, age-worthy wines in its own right.
Merlot is one of the world’s most important red wine grapes, celebrated for its generous fruit, supple texture and ability to produce wines ranging from approachable and elegant to exceptionally complex and long-lived. Originating in Bordeaux, France, Merlot is particularly associated with the Right Bank, where it forms the foundation of many of the prestigious wines of Pomerol and Saint-Émilion.
Merlot typically expresses flavours and aromas of plum, black cherry, blackberry and red fruits, often developing notes of chocolate, tobacco, cedar, herbs and earthy complexity with maturation. Its naturally rounded texture and generally softer tannin profile distinguish it from Cabernet Sauvignon, although the finest examples can possess considerable structure, freshness and ageing potential.
In Pomerol, Merlot reaches some of its most celebrated expressions, particularly on the appellation’s clay-rich soils, producing wines of remarkable concentration, texture and complexity. In Saint-Émilion, it is commonly blended with Cabernet Franc and, to a lesser extent, Cabernet Sauvignon, creating wines that combine ripe fruit with structure, aromatic complexity and longevity.
Beyond Bordeaux, Merlot is widely cultivated in Italy, California, Washington State, Chile and other major wine regions. It can be produced as a varietal wine or used as a central component of blends, where its fruit and texture complement more structured grape varieties.
From the great Merlot-based wines of Bordeaux’s Right Bank to leading expressions around the world, Merlot’s combination of rich fruit, refined texture and capacity to express terroir has established it as one of the defining varieties of fine red wine.
Cabernet Franc is one of France’s most historic red wine grapes, valued for its aromatic intensity, vibrant acidity and ability to express both climate and soil with remarkable clarity. It produces elegant single-varietal wines and plays an essential role in some of Bordeaux’s most distinguished blends. Earlier ripening than Cabernet Sauvignon allows Cabernet Franc to perform particularly well in cooler wine regions.
In the Loire Valley, Cabernet Franc reaches its clearest expression as a varietal wine. Typical aromas include redcurrant, raspberry, red cherry and violet, often accompanied by graphite, dried herbs, tobacco and subtle peppery notes. Naturally fresh acidity and finely structured tannins can produce approachable, fruit-driven wines as well as complex examples capable of developing for many years.
The variety is especially important in Chinon, Bourgueil and Saumur-Champigny. Chinon can range from fragrant and supple to deeply structured and age-worthy, depending on vineyard site and soil. Bourgueil often combines dark red fruit with firm structure, while Saumur-Champigny is renowned for freshness, aromatic purity and refined texture. Limestone-rich tuffeau, gravel, sand and clay all contribute to the diversity of Cabernet Franc across these Loire appellations.
In Bordeaux, Cabernet Franc is principally associated with the Right Bank, particularly Saint-Émilion and Pomerol. Usually blended with Merlot and sometimes Cabernet Sauvignon, it contributes perfume, freshness, savoury complexity and structural precision. On suitable limestone and clay terroirs, Cabernet Franc can become a dominant component of exceptionally refined and long-lived wines.
Beyond France, Cabernet Franc is cultivated in regions including Tuscany, Bolgheri, Napa Valley, Washington State, Canada, Argentina and Chile, producing styles shaped by local climate and terroir. Traditionally known as Breton in the Loire and Bouchet in parts of Bordeaux, Cabernet Franc’s combination of aromatic elegance, freshness and ageing potential establishes it as one of the world’s great red wine varieties.
Malbec is a deeply coloured red wine grape with historic origins in South-West France and a modern identity inseparable from Argentina. Known for its dark-fruit intensity, floral character and generous texture, Malbec produces styles ranging from fresh and aromatic to powerful, structured wines capable of extended ageing.
In Cahors, Malbec is the appellation’s signature variety and is traditionally known as Côt or Auxerrois. Here, the grape produces deeply coloured wines with flavours of blackberry, black plum and dark cherry, often accompanied by violet, liquorice, tobacco, earth and savoury spice. Cahors Malbec typically displays firm tannins, freshness and considerable ageing potential, particularly on the region’s limestone plateaux and clay-limestone terraces.
Malbec achieved international prominence in Argentina, where dry conditions, intense sunlight and high-altitude vineyards allow the variety to develop ripe fruit while retaining acidity and aromatic freshness. Mendoza is the centre of Argentine Malbec production, creating wines characterised by plum, blackberry, violet and spice, frequently supported by smooth tannins and a rich but balanced texture.
Within Mendoza, the Uco Valley has become one of Malbec’s most important fine-wine regions. Its elevated vineyards and cool nights can produce more precise, floral and mineral expressions with fresh acidity and finely defined tannins. Luján de Cuyo, another historic centre of Argentine Malbec, is often associated with fuller, rounder wines combining ripe dark fruit with supple structure. Differences in altitude, soil and temperature give Malbec an exceptional ability to express individual vineyard sites.
Malbec is also cultivated in Salta, Patagonia, Chile, California and several other international regions, but Argentina and Cahors remain its defining geographical references. From the structured, savoury wines of its French homeland to the vibrant high-altitude expressions of Mendoza, Malbec’s combination of colour, fruit intensity, floral complexity and terroir expression has established it as one of the world’s most recognisable red wine grapes.
History and Style
Opus One Overture is the second wine of Opus One, produced from selected parcels and individual lots grown across the estate’s vineyards in Oakville, Napa Valley. It shares the estate’s meticulous approach to viticulture and winemaking while presenting a distinctive expression built around freshness, supple texture and earlier accessibility.
Quick Facts
- Producer: Opus One Winery
- Wine: Overture
- Category: Red Wine
- Style: Estate-grown Bordeaux-style blend
- Origin: Oakville, Napa Valley, California, USA
- First produced: 1993
- Vintage status: Multi-vintage historically; vintage-dated from 2021
- Principal grape: Cabernet Sauvignon
- Other permitted varieties: Cabernet Franc, Merlot, Petit Verdot and Malbec
History and Identity
Overture was first created in 1993 in the tradition of the second wines produced by leading Bordeaux estates. Its name reflects its relationship with Opus One: an overture introduces the themes of a larger composition while retaining its own identity.
For much of its history, Overture was assembled from wines originating in several harvests. This multi-vintage approach produced a rounded and approachable interpretation of the estate. Beginning with the 2021 release, Opus One transformed Overture into a vintage-dated wine to place greater emphasis on the individual growing season and the diversity of its estate vineyards.
Estate Vineyards
Overture is made from organically grown fruit cultivated across the Opus One estate in the western part of the Oakville appellation. The estate comprises four principal vineyard parcels: two sections of the celebrated To Kalon Vineyard together with the Ballestra and River parcels surrounding the winery.
The vineyard blocks are harvested and vinified individually. During and after harvest, the winemaking team evaluates each lot before selecting the wines whose aromatics, flavours and textures are considered best suited to Overture.
Winemaking and Maturation
Overture is produced from the five traditional Bordeaux grape varieties grown by Opus One: Cabernet Sauvignon, Cabernet Franc, Merlot, Petit Verdot and Malbec. Cabernet Sauvignon normally forms the foundation, although the precise composition changes with each release.
The fruit is handled with the same attention to detail used for Opus One, including careful harvesting, selection and separate vinification of individual vineyard lots. Skin-contact periods and maturation vary by vintage. Overture 2022 received 20 days of skin contact and matured for 18 months in new French oak.
Style and Character
Overture is distinguished by its red-fruit character, herbal nuances, supple tannins and creamy texture. Although generally more approachable in its youth than Opus One, it retains the concentration, structure and balance required for further bottle development.
The precise profile reflects the vintage. Overture 2022 combines bright cherry, forest berries and floral aromas with blackberry, blueberry and wild cherry. Toasted almond, anise, mocha and black tea add complexity, while lively acidity supports a rounded, persistent finish.
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