The Chilean Coast Range (Spanish: Cordillera de la Costa) is a mountain range that runs southward parallel with the Andean Mountains, from the morro de Arica to the Taitao Peninsula where it ends together with the Nazca Plate. The Andes form the longest mountain chain in the world. ... Arica is a port city in northern Chile, and is the capital of Arica Province in Tarapacá Region. ...  The Nacza plate, shown in light blue The Nazca Plate, named after the Nazca region of southern Peru, is an oceanic tectonic plate in the eastern Pacific Ocean basin off the west coast of South America. ...

The Chilean Coast Range (marked with red) have lost its continuity, due to several glacitions and erosion made by the rivers

The highest peak of the range is the Altos de Cantillana reaching up to 2.318 m.

Even if its origin is unknown, it is well accepted between geologists that it is older than the Andes. The Chilean Coast Range does not show any sign of volcanic activity. The Andes form the longest mountain chain in the world. ...