Diamond Mountain District AVA
Diamond Mountain District AVA covers steep Mayacamas slopes above Calistoga. moderate mountain temperatures, red weathered volcanic and sedimentary soils, and varied elevation shape intense, ageworthy Cabernet Sauvignon and Cabernet Franc.
Overview
Diamond Mountain District AVA occupies steep Mayacamas slopes above Calistoga within Napa Valley. Its vineyards vary by elevation, slope, and exposure, making it distinct from the main valley floor and neighboring mountain districts. Moderate mountain temperatures control ripening, while red weathered volcanic and sedimentary soils influence drainage and vine vigor. The area is best known for intense, ageworthy Cabernet Sauvignon and Cabernet Franc; vineyard and producer links provide the specificity behind that shared identity.
Geography & Climate
The AVA encompasses steep Mayacamas slopes above Calistoga, with elevation, slopes, and exposures creating meaningful local variation.
Soils
Red weathered volcanic and sedimentary soils regulate drainage, rooting depth, and vine vigor.
Wine Styles
The defining wines are intense, ageworthy Cabernet Sauvignon and Cabernet Franc.