Sterling Diamond Mountain Ranch Cabernet Sauvignon 1990
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2006-
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Sterling Napa Valley wines show the depth, strength and expressive quality of California’s most famous wine region. Fruit for Sterling wines is grown throughout Napa Valley, from the cool southern Carneros region next to San Pablo Bay to the rugged northernmost bench-lands and reaches near our Calistoga homeplace. Sterling has more than five decades of winemaking excellence in Napa Valley, and winemaker Harry Hansen is able to build from that experience to select the finest lots to create the most memorable expressions of the varietal for each vintage. Key to the signature Sterling style is the contribution of fruit from our home base surrounding Calistoga, where fully ripe fruit offers soft tannins, black fruit profiles and approachability, alongside the firmer tannins evident in fruit from Diamond Mountain, offering great balance in the final assemblage and cuvée.
A noble variety bestowed with both power and concentration, Cabernet Sauvignon enjoys success all over the globe, its best examples showing potential to age beautifully for decades. Cabernet Sauvignon flourishes in Bordeaux's Medoc where it is often blended with Merlot and smaller amounts of some combination of Cabernet Franc, Malbecand Petit Verdot. In the Napa Valley, ‘Cab’ is responsible for some of the world’s most prestigious, age-worthy and sought-after “cult” wines. Somm Secret—DNA profiling in 1997 revealed that Cabernet Sauvignon was born from a spontaneous crossing of Cabernet Franc and Sauvignon Blanc in 17th century southwest France.
Diamond Mountain is the northernmost mountain appellation in the Mayacamas Range, on the northwest side of the valley floor, above the town of Calistoga. Defined mainly by elevation, vineyards are planted at 400 to 2,200 feet.
Diamond Mountain vineyards receive plenty of sunshine at these elevations and are typically above the coastal fog line. But given its western proximity, the area still easily cools down from early morning and late afternoon Pacific Ocean breezes. The AVA (American Viticultural Area) covers 5,000 acres but just over 500 acres are under vine.
Diamond Mountain soils, mainly weathered, red sedimentary rock and decomposed, volcanic ash, are infertile, quick-draining and produce small, thick-skinned grapes, bursting with chewy tannins.
Cabernet Sauvignon, Merlot, Cabernet Franc, Malbec, Petit Verdot and Zinfandel have great success here.
Like other sub-appellations in Napa Valley, the Diamond Mountain area had no shortage of pioneer winemakers. Rudy von Strasser led the effort for Diamond Mountain to acquire AVA status in 1999.