cordillera
The collective nouns for mountains are a chain of mountains or a range of mountains.
Chain
A range or chain
A string of mountains is called a mountain chain.
A group of mountains are called mountain ranges.
A string of mountains is called a mountain chain.
cordillera
The collective nouns for mountains are a chain of mountains or a range of mountains.
Chain
A range or chain
A chain of mountains are called mountains if there were only one mountain then it would simply be called a mountain as for hills and hill plural.
A string of mountains is called a mountain chain.
A group of mountains are called mountain ranges.
A group of mountains are called mountain ranges.
it is called a chain
Many things are similar to a group of mountains, such as a group of hills, a volcanic chain of islands, or a wrinkle in a door mat that doesn't lay flat.
Mount Everest is in a chain of mountains called the Himalayas.