Reviews · Calistoga 2010 Switchback Ridge Petite Sirah Old Vine Block Peterson Family Vineyard 2 notes Most recent 28 April 2016 ProducerSwitchback Ridge WineAll vintages RegionNapa Valley · Calistoga GrapesPetite Sirah Tasting history Every note on this bottle 28 April 2016 Similar to my previous notes from July 2015, with flavors of huge, rich blackberry, blueberry, black licorice, sweet chocolate, cassis, confection… 25 July 2015 On the nose, deep chocolate, mocha, dark berry. On the palate, a core of huge, rich blackberry, marionberry, blueberry, sweet chocolate, cassis, and… Vertically Other vintages All vintages → 2011 2009