The Santa Cruz Mountains AVA, established in 1981, spans the coastal mountains between San Francisco and Monterey Bay, covering parts of Santa Clara, Santa Cruz, and San Mateo counties. Known for its rugged terrain and diverse microclimates, the region excels in producing Pinot Noir, Chardonnay, and Cabernet Sauvignon. Coastal vineyards benefit from cool fog and ocean breezes, while inland areas provide warmer conditions. The soils, including decomposed granite and limestone, contribute to distinctive terroir-driven wines. With small-scale, artisanal production and steep hillside vineyards, the AVA is celebrated for its elegant, high-quality wines that showcase both coastal and mountain influences.