The Opal Property at Four Sisters Ranch presents a rare opportunity to acquire approximately 113 planted vineyard acres in the heart of Paso Robles' prestigious Estrella District AVA. Originally planted between 2012 and 2013, the vineyard features more than 105,000 vines, including approximately 77.98 acres of Cabernet Sauvignon, 11.88 acres of Grenache, 13.9 acres of Orange Muscat, and 9.51 acres of Petit Verdot. According to ownership, the vineyard averages approximately four tons per acre and has produced fruit used in wines earning multiple Double Gold awards and scores up to 97 points, with recognition from Wine Enthusiast, the Beverage Testing Institute, the San Diego International Wine Competition, and Sunset Magazine. The property is supported by substantial water infrastructure, including an approximately 720-foot-deep agricultural well equipped with a 40-horsepower submersible pump producing approximately 400 gallons per minute, a secondary approximately 720-foot-deep well, and a four-acre-foot water retention basin. Adding to its appeal, a prominent hilltop location offers a potential estate setting with sweeping panoramic views of the surrounding vineyards, rolling hills, and Paso Robles wine country. Whether envisioned as a private vineyard residence, luxury retreat, or owner's estate, this elevated site presents a unique opportunity to pair a working vineyard with an exceptional lifestyle setting. Buyer to investigate development potential and building requirements. For buyers seeking a fully integrated wine country operation, the neighboring Silver Property at Four Sisters Ranch is also available for purchase. This separate offering includes a fully operational winery, tasting room, event center, production and support facilities, and a 3,000+ square foot adobe-style residence with three bedrooms and three bathrooms. Together, the properties present a rare opportunity to acquire a producing vineyard, winery, hospitality venue, and estate residence in one of California's premier wine regions.