Château Cos d'Estournel

Château Cos d'Estournel takes its modern form from 1811, when Louis-Gaspard d'Estournel, who had inherited the Cos and Pomys estates in 1791, began vinifying them separately and building the estate's reputation. A driven and visionary merchant, d'Estournel expanded the vineyard from just 14 to 45 hectares, often plunging himself into debt to acquire neighboring parcels he believed held exceptional terroir. He was one of the first Bordeaux producers to make, bottle, and sell his own wine directly, shipping to prestigious clients including Queen Victoria and Tsar Nicholas I. His passion for the Orient, sparked by thriving wine exports to India, inspired the estate's famous pagoda-shaped architecture and the iconic door imported from the Sultan of Zanzibar's palace. D'Estournel sold the estate in 1852 and died the following year in 1853, just two years before the 1855 Classification officially enshrined his life's work as a Second Growth. The property passed through several hands, including English banker Charles Cecil Martyns in 1852, the Spanish Errazu family from 1869, and the Hostein family from 1889, before Fernand Ginestet purchased it in 1917. The Ginestet and Prats families stewarded Cos through most of the 20th century, with Bruno Prats managing the estate for three decades and cementing its 'Super Second' reputation. Michel Reybier acquired the château in 2000, beginning the estate's modern transformation.

• Founded 1811 by Louis-Gaspard d'Estournel, who inherited the estate in 1791 and expanded it from 14 to 45 hectares
• D'Estournel's Oriental pagoda architecture and Zanzibar door remain among the most recognizable landmarks in the Médoc
• Classified Second Growth in the 1855 Bordeaux Classification; d'Estournel died in 1853, two years before the official classification
• Fernand Ginestet purchased the estate in 1917; Bruno Prats later managed it for three decades before the Reybier acquisition in 2000

The vineyard sits at the southern tip of the Saint-Estèphe appellation, directly adjacent to Château Lafite-Rothschild in the neighboring commune of Pauillac, separated only by a small stream called the Jalle du Breuil. The estate covers 91 hectares of planted vines on the hill of Cos, with gentle elevations reaching up to 20 meters. The soils are primarily composed of Günz gravel in regularly drained ridges, with clay and limestone underlying the eastern and lower slopes. This diversity of soil types — some 19 distinct varieties across the estate — allows precise parcel-by-parcel viticulture: Cabernet Sauvignon thrives in the poor gravel at the tops of ridges and on south-facing slopes, while Merlot occupies the east-facing slopes where the Saint-Estèphe limestone base is exposed. Vine density ranges from 8,000 to 10,000 vines per hectare. Vines average approximately 40 to 45 years of age across the estate, with the oldest specimens, including Merlot planted over a century ago, contributing depth and complexity to the Grand Vin. Only vines over 20 years of age are used in the estate's first wine.

• Located at the southern tip of Saint-Estèphe, adjacent to Château Lafite-Rothschild and separated from it by the Jalle du Breuil stream
• 91 planted hectares on Günz gravel ridges over clay and limestone, with 19 distinct soil types across the vineyard
• Approximately 60% Cabernet Sauvignon and 40% Merlot planted at 8,000 to 10,000 vines per hectare
• Vines average 40 to 45 years old; some Merlot parcels over 100 years old; only vines over 20 years used for the Grand Vin

Under Michel Reybier's ownership, Cos d'Estournel made one of Bordeaux's most significant modern investments in its winemaking facilities. The landmark gravity-flow cellar, designed with architect Jean-Michel Wilmotte and completed in 2008, covers approximately 2,000 square meters and operates entirely without pumps. All grape and wine movements occur by gravity alone, using a system of stainless steel vats on multiple levels — with 72 to 84 vats of varying capacities for individual parcel vinification. This allows the estate to vinify each of its 19 soil types separately before final blending. Precise temperature control during fermentation and double sorting of fruit prioritize the selection of the finest tannins and the purest expression of terroir. The Grand Vin is then aged for approximately 18 months in 50 to 60% new French oak barrels. The blend of Cos d'Estournel varies by vintage; for example, the 2016 (a 100-point wine) comprised 76% Cabernet Sauvignon, 23% Merlot, and 1% Cabernet Franc aged in 65% new oak for 15 months, while the 2023 was 65% Cabernet Sauvignon, 33% Merlot, and the balance Cabernet Franc and Petit Verdot in 50% new oak. The estate achieved full organic certification in 2024.

• Gravity-flow cellar completed in 2008, designed with architect Jean-Michel Wilmotte; no pumps used anywhere in the winemaking process
• 72 to 84 stainless steel vats of varying capacities allow individual parcel vinification across 19 distinct soil types
• Grand Vin aged 18 months in 50 to 60% new French oak; second wine Les Pagodes de Cos aged in approximately 40% new oak
• Fully certified organic viticulture since 2024, with organic conversion beginning around 2021

Cos d'Estournel's style is notably more polished and concentrated than the rustic character often associated with Saint-Estèphe, a distinction driven by its exceptional terroir and relatively elevated proportion of Merlot, which typically represents 19 to 40% of the final blend depending on the vintage. The wine is Cabernet Sauvignon dominant and full-bodied, with dark fruit intensity, firm but refined tannins, and a mineral backbone derived from the gravel and limestone subsoils. Primary aromas include cassis, blackcurrant, and blackberry, with floral notes of spring flowers and rose, along with graphite, exotic spices, and subtle tobacco. With age, secondary notes of leather, cigar box, black tea, and dried herbs emerge. The wine typically reaches full maturity between 10 and 30 years, with exceptional vintages capable of developing for longer. Berry Bros. and Rudd note that despite the relatively high Merlot content, these are 'full-bodied, dark, brooding tannic wines when young' that develop intensity rivaling top Pauillac growths.

• Blend varies by vintage; typically Cabernet Sauvignon dominant at 60 to 76%, with Merlot contributing 19 to 40% depending on the year
• Primary aromatics include cassis, blackcurrant, graphite, spring flowers, exotic spices, and subtle tobacco
• Full-bodied, firm and tannic in youth; reaches full maturity between 10 and 30 years of age
• Style is more polished and concentrated than classic Saint-Estèphe, driven by excellent gravel terroir and elevated Merlot in the vineyard

Cos d'Estournel was classified as one of fifteen Deuxièmes Crus (Second Growths) in the original Bordeaux Wine Official Classification of 1855, making it one of only two Second Growths in Saint-Estèphe alongside Château Montrose. Since the 1980s, under Bruno Prats and subsequently Michel Reybier, the estate has been firmly established as a 'Super Second,' with quality considered capable of rivaling the First Growths. The estate produces several wines: the Grand Vin, Château Cos d'Estournel; the second wine, Les Pagodes de Cos, first produced with the 1994 vintage; Château Marbuzet from nearby plots; and Cos d'Estournel Blanc, a dry white Bordeaux (AOC Bordeaux Blanc) first produced in 2005 from roughly 80% Sauvignon Blanc and 20% Sémillon. The estate has earned 100-point scores from Robert Parker's Wine Advocate for the 2009 and 2016 vintages, the latter a blend of 76% Cabernet Sauvignon, 23% Merlot, and 1% Cabernet Franc. Production of the Grand Vin ranges between approximately 250,000 and 380,000 bottles depending on vintage.

• Classified Second Growth (Deuxième Cru) in 1855; one of only two Second Growths in Saint-Estèphe alongside Château Montrose
• Considered a 'Super Second' since the 1980s, with quality rivaling First Growths
• 100-point scores from Robert Parker's Wine Advocate for the 2009 and 2016 vintages
• Portfolio includes Grand Vin, Les Pagodes de Cos (second wine, from 1994), Château Marbuzet, and Cos d'Estournel Blanc (dry white, from 2005)

Cos d'Estournel's structural intensity, firm tannins, and mineral backbone make it a wine built for the long term. The wine matures best over 10 to 30 years, with the finest vintages developing extraordinary complexity. In youth, the wine's dark fruit and tannic grip suit robust preparations; with age, secondary flavors of leather, tobacco, black tea, and spice emerge beautifully. The wine is best served with equally substantial cuisine. Grilled or roasted lamb with herbs is a classic pairing, echoing the wine's violet aromatics and mineral structure. Dry-aged beef, whether roasted or served with a peppercorn preparation, matches the wine's tannic architecture and graphite intensity. At maturity of 15 or more years, the wine's savory complexity harmonizes with game such as venison or pheasant, as well as dishes with mushrooms or truffles. Aged hard cheeses, such as a well-matured Comté or aged Gruyère, also complement the wine's refined texture and lingering finish.

• Grilled or roasted lamb with fresh herbs underlines the wine's violet aromatics and mineral terroir character
• Dry-aged beef with peppercorn sauce matches the wine's tannic structure and graphite-driven intensity
• Venison or pheasant with mushroom or truffle accompaniments showcase secondary leather and spice at 15-plus years
• Aged hard cheeses such as Comté or mature Gruyère complement the wine's refined texture and mineral finish