Wall of Talamanca de Jarama Monument · Talamanca de Jarama, Cuenca del Medio Jarama, Madrid Fortified enclosure built around the year 860 by order of the emir Muhammad I to watch over the Middle March, with concentric masonry walls that were reinforced in the Christian period between the 13th and 14th centuries. It is declared a Bien de Interés Cultural. Photo: Rodelar (CC BY-SA 4.0) What to see and do in Talamanca de Jarama