Castillos de Lanos y Portilla Monument · Zambrana, Cuadrilla de Añana, Álava Image of Zambrana, not of the place itself. Castillo de Lanos, in the settlement of Ocio, and Castillo de Portilla, in the neighborhood of the same name, two of the landmarks on the Ruta de los Castillos (PR-A 34) that runs through the municipality. Photo: Unai Fdz. de Betoño (CC BY 3.0) What to see and do in Zambrana