Yorba Wines is the house brand of the Kraemer family, the proprietors and winegrowers of Shake Ridge Ranch. Shake Ridge Ranch is a magical place high up in the hills of Amador County and the fruit - Syrah, Tempranillo, Barbera, Zinfandel, and a few others - are highly, highly sought after. 80% of the yearly production is sold to the likes of Favia, Keplinger, Forlorn Hope, Gallica, Tribute to Grace, and Dirty and Rowdy. 20% of the production is kept for the Yorba line of wines and they are completely stunning. I can't say enough about how impressed I am with the ranch itself, the people behind it, and the wines.