San Luis Obispo County California San Luis Obispo County is on the central Pacific coast of California south of Monterey and north of Santa Barbera where the wine industry is growing by leaps and bounds. AVAs within San Luis Obispo County: Arroyo Grande Valley Edna Valley Paso Robles Santa Maria Valley York Mountain Vineyards & Wineries: Candlewood Cellars Concannon Vineyard Corbett Canyon Doce Robles Winery Dr. Jebediah Drinkwell's Donati Family Vineyard Edna Valley Vineyard EOS Estate Winery Estancia Gravity Hills Liberty School Marmesa Vineyards Martin & Weyrich Winery Novella Peach Canyon Winery Pessimist Robert Hall Winery Saucelito Canyon Sweetberry Toad Hollow Trader Joe's Villa San-Juliette