4001 Rivino Ranch, Rd., Ukiah, CA 95482. The Schrader Ranch Vineyard is located on the Russian River in southern Mendocino County. It is co-located with Rivino Winery and is the source of the wineries estate wines. Varieties include Chardonnay, Viogner, Pinot Blanc, Sangiovese, Cabernet Franc, and Merlot. At the vineyard, the warm weather is often tempered by cool nights and morning fog off the Russian River maximizing the impact of the terrior on grape quality.