The 2010 Cos d'Estournel is a Bordeaux blend from the renowned St. Estephe sub-region in Bordeaux, France. This wine, produced by Cos d'Estournel, is a red wine that has been aged using traditional methods, sealed with a cork. Esteemed reviewers have provided high praise, indicating this vintage's exceptional quality.

Robert Parker’s Wine Advocate rated the wine with an impressive score of 99. Lisa Perrotti-Brown describes it as "deep garnet in color" with layers of aromas including "dried mulberries, stewed plums, and blackcurrant pastilles." She highlights the wine's "rock-solid foundation of very firm, grainy tannins" and "remarkable intensity of tightly wound fruit layers," suggesting that it will become even more impressive with further aging.

Jane Anson from janeanson.com awarded the wine a score of 98, noting its superiority over the 2009 vintage. She describes it as having "creaminess and power," with "tannins that head towards monster-territory," yet maintaining "real delicacy and hidden complexity." Anson appreciates the "gorgeous quality" and "exotic" notes of incense and cinnamon.

Jeb Dunnuck also rated the wine at 98, highlighting its composition of 78% Cabernet Sauvignon, 19% Merlot, 2% Cabernet Franc, and a small percentage of Petit Verdot. He remarks on its "extraordinary notes of blackcurrants, unsmoked tobacco, graphite, freshly sharpened pencils, and chocolate," emphasizing its "massively concentrated" character and "flawlessly balanced" palate. Dunnuck suggests it is made in a more "focused, precise, and structured style" than the 2009 vintage.

Overall, the 2010 Cos d'Estournel is a wine of remarkable complexity and depth, with reviewers agreeing that it is a wine of exceptional quality that will continue to develop over the coming decades.