'Mountains' in the Bible

Ye mountains of Gilboa, let there be no dew, neither let there be rain, upon you, nor fields of offerings: for there the shield of the mighty is vilely cast away, the shield of Saul, as though he had not been anointed with oil.

That is not the matter. But a man from the mountains of Ephraim, whose name [is] Sheba the son Bicri, has lifted up his hand against the king, against David. Give only him to us, and I will depart from the city." The woman said to Joab, "Look, his head [is] being thrown down to you over the wall."