The Cordillera Occidental range is one of two main ranges in the Andes in Ecuador, the other beeing the Cordillera Central. It spans the whole country from north to south. The maximum altitude of the Cordillera Occidental is the Chimborazo (6,267 m). The Andes between Chile and Argentina The Andes form the longest mountain chain in the world. ... The Cordillera Real (also Cordillera of Quito, Cordillera Central of Ecuador) is a chain of mountains in the Andes of Ecuador, the chief of them volcanic. ... The inactive stratovolcano Chimborazo is Ecuadors highest summit. ...