Andean natural region
The Andes mountains form the most populated region of Colombia and contain the majority of the country's urban centers. They were also the location of the most significant pre-Columbian indigenous settlements. Beyond the Colombian Massif in the south-western departments of Cauca and Nariño, the Colombian Andes divide into three branches known as "cordilleras" (from the Spanish for "mountain range"): the West Andes run adjacent to the Pacific coast and is home to the city of Cali. The Central Andes run up the center of the country between the Cauca and Magdalena river valleys (to the west and east respectively) and includes the cities of Medellín, Manizales and Pereira. The East Andes extend northeast towards the Guajira Peninsula, and includes the cities of Bogotá, Bucaramanga and Cúcuta.
Huaguruncho mountain range
The Huaguruncho mountain range (also spelled "Huagaruncho" or "Huagoruncho") is situated in the Andes of Peru. It extends in an easterly direction between 10°29' and 10°34'S and 75°50'W and 76°01'W for about . The range is located in the Huánuco Region, in the provinces of Ambo and Pachitea, and in the Pasco Region, in the provinces of Pasco and Oxapampa.