'Mountains' in the Bible

Then Balaam uttered his oracle, saying, "Balak, the king of Moab, brought me from Aram, out of the mountains of the east, saying, 'Come, pronounce a curse on Jacob for me; come, denounce Israel.'

They traveled from Almon-diblathaim and camped in the mountains of Abarim before Nebo.

They traveled from the mountains of Abarim and camped in the plains of Moab by the Jordan River across from Jericho.