A once sleepy, understated grape growing region of the Napa Valley has long been the secret ingredient for many award-winning and 90-plus point wines. Acclaimed vintners like Robert Mondavi, Joseph Phelps, Louie Martini, Dario Sattui and Paul Hobbs, to name a few, sourced their grapes from the rocky soils that abut the shadows of Mt. George in the Valley’s southeast side.