There is NO desert on the west coast of South America.
-If by any chance you may mean Baja California, you have the location wrong, that's in North America.
South America starts south of Panama.
The Atacama Desert is on the Pacific coast of South America.
The Atacama is on the northwestern coast of Chile.
Both the Atacama and the Sechura Deserts are on the west coast of South America.
Both the Atacama and the Sechura Deserts are on the west coast of South America,
Along the Pacific Ocean. (West)
Both the Atacama Desert and the Sechura Desert are on the west coast of South America.
You did not provide the name of a continent in your question. However, in North America the Sonoran Desert reaches the west coast of Mexico. In South America there is found the Atacama Desert along the coast and in Africa the Namib Desert borders the Pacific. There are others.
The Atacama Desert is located on the Pacific Coast of South America,
The Atacama Desert which is located along the Pacific Coast of northern Chile.
Atacama Desert is located in South America, along the coast of Chile.
Some say that the Atacama Desert on the Pacific Coast of South America is the driest desert on earth. Others say that Antarctica is even drier.
Both the Atacama and the Sechura Deserts are on the west coast of South America.