It is part of the mountain system of Central Asia.

The Alps are part of a larger mountain system formed during relatively recent geologic time.

Given the altitude, the climate of this mountain system is very cold, typical of high mountains.

He believes there is gold there, you will learn as much from his book on the mountain systems of South America.

The island has a prominent mountain system of volcanic origin.

The Appalachians are one of the oldest mountain systems in the country.

In fact the rivers are older than the mountain system.

The term Alps has been applied to mountain systems around the world that exhibit similar traits.

On leaving the forest, the mountain system of the country appeared before the explorers.

The major rivers flow through the wide valleys between the mountain systems.