"Above Calistoga in the Napa Valley’s most northwestern corner lies the Diamond Mountain AVA, famous for its hilltop Cabernets. An AVA since 2001, the appellation goes from 400 to 2,200 feet above sea level. Its fine-grained, ash-like soils contain shards of reflective volcanic glass, which inspired the name."⠀- VisitNapaValley 📷: pumpkinaddict #roadtolitv