Dehesa of Moncalvillo Nature · San Agustín del Guadalix, Cuenca del Medio Jarama, Madrid Woodland of public utility covering 1,348 hectares of Mediterranean holm oak and juniper at the foot of the Cerro de San Pedro. It has belonged to the town council since 1459, when the Mendoza family ceded it on condition that it never be divided or sold, and today it is part of Natura 2000. Photo: LBM1948 (CC BY-SA 4.0) What to see and do in San Agustín del Guadalix