Judges 1:19 And the LORD was with Judah; and he drove out the inhabitants of the mountain; but could not drive out the inhabitants of the valley, because they had chariots of iron. Torrey's Topical Textbook
1 Kings 20:23-25 And the servants of the king of Syria said to him, Their gods are gods of the hills; therefore they were stronger than we; but let us fight against them in the plain, and surely we shall be stronger than they. Torrey's Topical Textbook