Bosques de castaños y el loro de Navalvillar de Ibor Nature · Navalvillar de Ibor, Villuercas-Ibores-Jara, Cáceres Image of Navalvillar de Ibor, not of the place itself. The surroundings of Navalvillar de Ibor are characterised by forests of chestnut, cork oak and holm oak, and are home to specimens of the loro (Prunus lusitanica), a tree very scarce on the Iberian Peninsula. Photo: Upload by Grasmat (CC BY-SA 3.0) What to see and do in Navalvillar de Ibor