Stonestreet Estate Vineyards specializes in small production wines from single vineyards, on our mountain estate. Mountain Cabernet Sauvignon, Chardonnay, Sauvignon Blanc, and red blends. Their Alexander Mountain Estate on the Mayacamas Mountain Range overlooks the Alexander Valley below. Poor, rocky soils and cooling maritime breezes give them a unique location to pursue mountain wine growing. Daily tastings are offered at 11 a.m. to 4:30 p.m. they also offer specialty tours by appointment only. For these tours, please allow 2-1/2 to 3 hours.