Shafer Vineyards is a family-owned wine producer in the Stags Leap District of the Napa Valley. It is particularly known for its Hillside Select Cabernet Sauvignon, regarded as one of the very finest wines in California. With the first wines appearing in 1978, Shafer Vineyards is one of the founding estates of – and a benchmark in quality for – the Stags Leap District AVA.