Torreón e iglesia de San Esteban de Quintanilla de la Ribera Monument · Erriberabeitia, Cuadrilla de Añana, Álava Image of Erriberabeitia, not of the place itself. In Quintanilla de la Ribera, a village already mentioned in the Reja de San Millán, a tower known as "the castle" is preserved, along with the church of San Esteban (1649), with a plateresque doorway and a 1664 altarpiece. Photo: Mentxuwiki (CC BY-SA 4.0) What to see and do in Erriberabeitia