Alonso del Yerro operates in Ribera del Duero, the storied wine region of Castilla y León where Tempranillo reaches full ripeness and structure. The winery's portfolio centers on two distinct expressions: Paydos Toro, built from Tinta de toro—the local clone known for dark fruit and mineral grip—and María Ribera del Duero, a Tempranillo that captures the region's signature balance of power and elegance. A core Ribera del Duero bottling rounds out the range. These wines have been assessed by Wine Enthusiast, Wine Advocate, Decanter, Wine Spectator, and Falstaff, reflecting their standing within the critical conversation around Spanish reds.