The 2015 Gaja Barbaresco, crafted from the Nebbiolo varietal, is a notable red wine hailing from Italy's esteemed Piedmont region, specifically the Barbaresco sub-region. This vintage, with an alcohol content of 14%, offers a complex tasting experience reflective of its terroir and the unique climatic conditions of 2015.

According to Monica Larner of Robert Parker's Wine Advocate, who awarded it a score of 93, the 2015 growing season was reminiscent of 2005, characterized by a wet spring followed by a hot summer. Despite challenges such as downy mildew, the wine stands out for its "power, structure, and dry extract," with a "full and generous expression" and "rich fruit flavors."

James Suckling, giving it an impressive 95, highlights its "rich and layered" profile, noting aromas of "cedar and plums, as well as light leather and rose." He describes the palate as "full yet balanced" with a "chewy finish," recommending it be enjoyed from 2020 onward but acknowledging its current beauty.

Wine Spectator, also scoring it 95, emphasizes the wine's blend of "savory and fruit elements," featuring "cherry, berry, eucalyptus, menthol, tar, and mineral flavors." They note its firm tannins, suggesting patience for the best drinking experience from 2023 to 2042.

Earning the highest praise from Wine Enthusiast with a score of 96, the wine is described as "structured and extremely elegant." The palate offers "juicy red cherry, strawberry, baking spice, and star anise," all supported by "taut polished tannins." The review suggests waiting until 2022 for additional complexity.

Decanter, awarding a score of 92, appreciates its "classic Nebbiolo perfume" and "impressively long" finish, despite noting a lack of depth compared to single vineyard wines.

Overall, the 2015 Gaja Barbaresco is celebrated for its elegance, complexity, and aging potential, making it a standout choice for Nebbiolo enthusiasts.