I believe it is called a range, especially if they are in a line.
A mountain range is a term that refers to a group of mountains that are grouped together as a system.
A range refers to a group of mountains that are grouped together as a system.
The group is the green mountains.
A group of mountains are called mountain ranges.
The collective nouns for mountains are a chain of mountains or a range of mountains.
The collective noun for a group of Mountains is range
The group of mountains in western Colombia is called the Andes Mountains.
A group of connected mountains is called a mountain range.
sierra nevada appalachain mountains and rocky mountains
A group of mountains is commonly referred to as a range or a mountain range.
a group of mountains and plateus in Ethiopia area
They are an isolated group of mountains in West Antarctica.