The 2021 Concha y Toro Don Melchor Cabernet Sauvignon is a distinguished wine from Chile's Maipo Valley, specifically the Puente Alto sub-region. This vintage showcases the exceptional quality that Don Melchor is renowned for, with a compelling blend of 93% Cabernet Sauvignon, 4% Cabernet Franc, and 3% Merlot. It has a high alcohol content of 14.5%, typical for a robust red wine.

James Suckling gives this wine an outstanding score of 99, describing it as "one of the best over the last few years." He highlights its "ashy graphite, cassis, iron, and blackberries," along with hints of "cigar box and chocolate." Suckling also notes its "rich and intense" character with "very fine but structured tannins," predicting that it will age well over the next two decades.

Vinous reviewer Joaquín Hidalgo awards the wine a score of 97, praising its "dark garnet red" color and "restrained nose" with "pure fruity notes such as blackcurrant." He emphasizes the wine's "intense" palate with "mild juiciness and rounded tannins," and the development of "cedar flavors" leading to a "long, rewarding finish."

Wine Spectator gives this vintage a commendable score of 96, describing it as a "remarkable effort" that balances "rich, muscular edges" with "elegant layers of dried rosemary and white pepper." The publication appreciates the "richly textured core of raspberry and plum flavors" and the "well-integrated tannins and touches of cocoa."

Overall, the 2021 Don Melchor Cabernet Sauvignon is celebrated for its complexity and potential for aging. It presents a harmonious blend of rich fruit flavors and structured tannins, making it a notable choice for both immediate enjoyment and long-term cellaring.