The Cordillera Oriental is the widest of the three branches of the Colombian Andes. The range extends from south to north, dividing from the Colombian Massif in Huila Department to Norte de Santander

The Colombian Massif, also known colloquially as Nudo de Almaguer, refers to a group of mountains within the Andes of south central Colombia. The massif is mainly within the area of the Cauca, Huila,