Escandón Pass
It is located in La Puebla de Valverde municipal term , in the Sierra de Gúdar and Sierra de Javalambre zone , where the Iberian System ranges begin to descend towards the sea . 
<triplet> Sierra de Gúdar <subj> Iberian System <obj> mountain range <triplet> Sierra de Javalambre <subj> Iberian System <obj> mountain range <triplet> Iberian System <subj> Sierra de Javalambre <obj> has part