Stop by this tasting room to try the local tipple. Casto Oaks manages 6 acres of vineyards in Mariposa, and some of their batches have won national awards. The Casto family produces Zinfandel, Cabernet, Cabernet Franc and Merlot.
With small productions (800 to 1300 cases per year) and hand-maintained vines, they claim they can be more precise in the winemaking process.