The pilgrimage of Nuestra Señora del Pozobueno Activity · Olmos de Esgueva, Páramos del Esgueva, Valladolid Image of Olmos de Esgueva, not of the place itself. On 8 September the residents climb in pilgrimage to the hermitage of Nuestra Señora del Pozobueno, built in stone and of a single nave in the last third of the seventeenth century, to celebrate the patronal feast out in the fields. Photo: Rowanwindwhistler (CC BY-SA 3.0) What to see and do in Olmos de Esgueva