Maddalena Vineyard
Our Vineyards
The Riboli Family has made a steadfast commitment to producing the highest quality grapes from estate vineyards in one of the most prestigious regions along California’s Central Coast: Paso Robles.
Our vineyards are meticulously farmed to yield grapes with concentrated flavors and aromas, and our winemaking techniques create complex, unique wines of the highest quality and character for your enjoyment.
Paso Robles AVA Map
Quarry Heights
Named for the steep, rocky hillsides and view of an old quarry, the head-trained vines grow on calcareous shale soils formed from crushed and decayed shells from the ancient sea that covered Paso Robles millions of years ago.
Stefano Vineyard
Our Stefano Vineyard is in the prestigious El Pomar District AVA of Paso Robles. This site comprises steep hillsides with unusual soils filled with multicolored rocks of all shapes and sizes.
Maddalena Vineyard
Located in the El Pomar AVA of Paso Robles, this is a prized vineyard featuring a variety of well-drained, rocky soils and a warm climate tempered by cool afternoon and evening breezes.
Quarry Heights
Named for the steep, rocky hillsides and view of an old quarry, the head-trained vines grow on calcareous shale soils formed from crushed and decayed shells from the ancient sea that covered Paso Robles millions of years ago. These soils promote the acidity in the grapes and concentration of tannins and color and add a distinct minerality to the wine.
Wines: Darkness, Zinfandel
Riboli Creston
The Creston District of Paso Robles. This property’s rolling hills, and bird sanctuary lake create a truly breathtaking, majestic vineyard estate. The well-drained Arbuckle-Positas soils and pure water produce an amazing terroir with warm days and cool nights producing fruit with great structure.
Wines: Tannat
Stefano Vineyard
Our Stefano Vineyard is in the prestigious El Pomar District AVA of Paso Robles. This site comprises steep hillsides with unusual soils filled with multicolored rocks of all shapes and sizes. Warm daytime temperatures are punctuated by cool afternoon breezes coming to the Pacific Ocean and through the Templeton Gap that contribute to both ripeness and freshness in the wines.
Wines: Darkness, Malbec, Petit Verdot
Maddalena Vineyard
Located in the El Pomar AVA of Paso Robles, this is a prized vineyard featuring a variety of well-drained, rocky soils and a warm climate tempered by cool afternoon and evening breezes. Paso Robles’ unique calcareous soils are very uncommon in California, giving the wines freshness and minerality.
Wines: Darkness, Malbec
Sustainability
Sustainability is a top priority at Opaque Wines. We respect our role as farmers and believe it is our responsibility to be stewards of the land. For our families, community and future generations, we are committed to sustainability in our vineyards and our winery.
Our Paso Robles vineyards are certified sustainable by the rigorous California Sustainable Wine Alliance (CSWA). At our Paso Robles winery, solar panels provide 100% of the needed electricity, and wastewater is effectively reclaimed and recycled for additional use.
