The grapes come from proprietary vineyard situated in Valdefinjas, Toro (Zamora) and Villabuena del Puente of sandy/chalky textured soil, excellent for drainage, over a subsoil of clay and loam which helps to retain the moisture.The vines are 45 yrs. old and 2,300 ft. in elevation. The vineyards are planted on ungrafted pre-phylloxera rootstocks in the vaso system. Yields: 15 Hl/Ha. Only the cleanest and most mature bunches are chosen after an exhaustive selection process then they are de-stemmed by hand with rigorous selection of every grape, berry per berry at the winery.