It flows out of the Andes.
A row or chain of mountains is called a mountain range.
A row or chain of mountains ranged in a line is called a mountain range. A narrow gap through a mountain range is a mountain pass.
A mountain chain is called a mountain chain.
The Andes is the mountain chain you are seeking.
Appalachian Mountains.
The Maghreb
South America has the longest mountain range, which is the Andes Mountains. The Andes stretch for about 4,300 miles along the western coast of the continent.
Appalachian Mountain Range
The appalachian Mountain range
The difference between a mountain range and a mountain chain is that a mountain chain is a row of mountains and a mountain range is lots of mountains in one area.
Appalachian mountains
Carpathian Mountains