| Cordillera Domeyko | |
| Country: | Chile |
| Parent: | Central Andes |
| Highest: | Cerro Quimal |
| Elevation M: | 4278 |
| Coordinates: | -23.1167°N -108°W |
| Length Km: | 600 |
| Length Orientation: | north-south |
| Range Coordinates: | -24.5°N -69°W |
The Cordillera Domeyko is a mountain range of the Andes located in northern Chile, west of Salar de Atacama. It runs north-south for approximately 600 km,[1] parallel to the main chain. The mountain range marks the eastern border of the flat parts of Atacama Desert. The western border of Cordillera Domeyko is characterized by a inland cliffs and a sharp topographic transition known as El Bordo Escarpment.[2] El Bordo Escarpment contain the main rock outcrops of the Purilactis Group, which make up much of the mountain range.[2]
Cordillera Domeyko was named after Ignacy Domeyko and is the world's lowest humidity mountain range.[3]