'Mountains' in the Bible

You are to give up to the curse all those places where the nations, whom you are driving out, gave worship to their gods, on the high mountains and the hills and under every green tree:

For my wrath is a flaming fire, burning to the deep parts of the underworld, burning up the earth with her increase, and firing the deep roots of the mountains.

And the chief things of the oldest mountains, and the good things of the eternal hills,