Premier southern Alexander Valley estate, winery, vineyards, cattle ranch along the Russian River in Sonoma County's renowned southern Alexander Valley AVA comprises approximately 320 acres across three parcels, offering an exceptional turn-key wine country property that combines a fully operational 25,000-case winery, productive vineyards, and expansive ranch potential with stunning panoramic views of Mt. St. Helena, the Mayacamas Mountains, Russian River Valley, and Chalk Hill. The holdings include a spacious 3,006 sq. ft. multi-level ranch residence with pool, tennis court, and wine cellar; a charming wine tasting room with outdoor seating; a 2,861 sq. ft. winery building, crush pad, and approved 12,000 sq. ft. expansion; plus manager's residence, large bunkhouse, shop, and livestock facilities. Approximately 120 +/- acres are planted to premium vineyards featuring Cabernet Sauvignon, Chardonnay, Zinfandel, Malbec, Petite Verdot, Cabernet Franc and Sauvignon Blanc, with additional prime acreage ideally suited for further vineyard development. Significant water resources include a large reservoir, irrigation wells, and nearly half a mile of Russian River frontage with beach access. A dramatic ridge-top building site commands sweeping views, while mature forests, oak woodlands, and lush landscaping provide privacy and natural beauty. Zoning supports potential subdivision, and the generous acreage accommodates grazing or other agricultural uses. Conveniently located on a peaceful paved lane just minutes from downtown Healdsburg's acclaimed restaurants and shops, the property offers easy access to Lake Sonoma, the Russian River, Sonoma County Airport, and is only 20 minutes from Napa Valley representing a rare legacy opportunity for a family estate, wine production expansion, or investment in one of Northern California's most prestigious wine growing region.