Mt. Harlan is an AVA in San Benito County. Mt. Harlan is in the Coast Range mountains, which are east and south of Santa Cruz and Carmel Valley. Calera is the most established winery in Mt. Harlan. Mt. Harlan is in the Central Coast AVA, a huge wine producing area that extends from Santa Barbara County in the south to San Francisco in the north. With more than 100,000 vineyard acres, it includes parts of six counties near the Pacific Ocean. Nearly 20 smaller AVAs lie within the Central Coast AVA. Central Coast earned appellation status in 1985. Included in the appellation are parts of the counties of Contra Costa, Monterey, San Luis Obispo, Santa Barbara, Santa Clara and Santa Cruz. Nearly every grape varietal grown in California is grown somewhere in the Central Coast AVA, though Chardonnay accounts for nearly 50% of the entire wine grape crop.