The 2016 Accendo Napa Cabernet Sauvignon is a notable entry in the realm of California wines. This vintage stands out for its blend of 82% Cabernet Sauvignon, 15% Cabernet Franc, and 3% Petit Verdot. The grapes are sourced from esteemed vineyards such as Vine Hill Ranch and Sleeping Lady Vineyard, with contributions from Oakville Ranch and an old Reverery site on Diamond Mountain.

Decanter awarded this wine a high score of 98, noting its "pure red berry fruit intermixed with heady cedar spices." The review highlights the wine's "fantastic mid-palate depth of concentration" and "spectacular vein of crushed stone minerality." The tannins are described as "fine and silky" with an elegant finish of cedarwood and baking spices.

Robert Parker's Wine Advocate also rated the wine a 98, praising its deep garnet-purple color and "exotic spice notes of star anise, fenugreek, and cumin seed." The review mentions a core of "blackberry pie, wild blueberries, and warm cassis," complemented by hints of kirsch, cigar box, and mocha. The palate is described as "jam-packed with vibrant black, blue, and red fruits" with "tons of spicy sparks" and a "long and perfumed" finish.

James Suckling gave the wine a score of 97, noting its "very tight and precise" nature with "dark berries, dark chocolate, spice, and hints of hazelnuts." He mentions a "solid center palate" and "beautiful balance," suggesting it is "very approachable now, but better after 2022."

Vinous' Antonio Galloni also rated it 97, describing the wine as "silky, nuanced, and still very vibrant." He highlights "bright floral and spice notes" that add freshness to this "super-expressive, sublime Cabernet Sauvignon."

Wine Spectator rated it 96, emphasizing its "richly layered" flavors of "cassis, plum preserves, boysenberry reduction, and açaí berry fruit." The review also notes a "chocolate backdrop and alluring toast notes," with a "subtle graphite edge" on the finish.

Finally, Jeb Dunnuck awarded it 97, describing it as having a "deep purple/plum color" with "ripe blackcurrants, black cherries, roasted herbs, iron, and leafy herbs." He praises its "rich and powerful" nature with "full-bodied weight and opulence" and a "great, great finish."

With an alcohol content of 14.8%, this wine is well-balanced and promises longevity, capable of being enjoyed over the next two decades. Overall, the 2016 Accendo Napa Cabernet Sauvignon is a stellar representation of Napa Valley craftsmanship, earning high praise from multiple reviewers.