Festival of el Dulce Nombre de María Activity · Retamoso de la Jara, La Jara, Toledo Image of Retamoso de la Jara, not of the place itself. Fiesta del Dulce Nombre de María (Feast of the Sweet Name of Mary), celebrated in Retamoso de la Jara on 11 September. It traditionally used to mark the end of the summer farm work in the town. 11 de septiembre Photo: LBM1948 (CC BY-SA 4.0) What to see and do in Retamoso de la Jara