Pilgrimage of la Virgen de Sacedón Activity · Lastras de Cuéllar, Tierra de Pinares, Segovia Image of Lastras de Cuéllar, not of the place itself. On Whit Monday the locals go up in pilgrimage to the hermitage accompanying the wooden carving of the Virgin, with traditional dances and dulzaina; the main festival, by contrast, is held on 8 September. Photo: Pacific Museum of Earth from Canada (CC BY-SA 2.0) What to see and do in Lastras de Cuéllar