The Díaz Bayo family are perennial growers in the village of Fuentelcésped, where viticulture dates to the 1100s and Reconquest of the Duero Valley. Ideal conditions for vines were found along the Arroyo de la Nava, a high valley just ten miles to the southeast of modern-day Aranda de Duero.
The estate comprises nearly 100 acres in multiple parcels between 2800 and 3200 feet in elevation, soil types encompassing limestone, marl and clay. Varied exposures further contribute to fruit diversity and extended harvest.The age of the vines, the great majority old-clone Tinta del País, ranges from 12 to 100 years, the average being well over 50 years. Viticulture is organic.
The modern bodega includes conical oak, cement and steel tanks for fermentation of the distinct parcels and according to the type of wine being produced. Barriques are of primarily French oak, from various producers. Extreme altitude and soil types combine with sensitive winemaking to express the deep minerality of the region, highlighted by freshness and balance.