Many of the northern portion of this assortment has an elevation of about 4,000 m (13,123 ft); the southern section is to some degree lessen. Rainfall, While scanty in all places, is bigger while in the northern fifty percent, exactly where the land is covered with more scrub vegetation. The southern space gets Practically no precipitation, as well as the landscape consists mostly of barren rocks. The entire Cordillera Occidental areas are sparsely populated, as well as the south is practically uninhabited.