San Luis Obispo County is the gateway to Paso Robles Wine Country, which numbers over 200 wineries, many of them small boutique vineyards. Zinfandel is the area's heritage grape varietal, although the Paso Robles AVA has earned acclaim for its Bordeaux varieties, particularly the Cabernet Sauvignon, as well as a number of innovative Paso Robles blends. Wine tourism is popular for California locals as well as visitors from further afield, who come to enjoy the vineyards along with other area attractions such as Morro Bay, Hearst Castle and the scenic drive up the Pacific Coast Highway. Land for sale in California's San Luis Obispo County recently totaled nearly $802 million and approximately 100,000 acres. San Luis Obispo County ranks 11th in the state for the combined amount of land currently advertised for sale. Among cities in San Luis Obispo County with ranches, farms, hunting land and other rural land and acreage for sale, Paso Robles had the most land for sale. Based on its natural assets, San Luis Obispo County's economy is dependent on tourism and recreation. San Luis Obispo County is California's 18th largest county (3,615 square miles). It's located in the Central Coast California region of the state.