mount Zemaraim

A mount in the highlands of Ephraim, to the north of Jerusalem (2 Chr. 13:4-20). Here the armies of Abijah and Jeroboam engaged in a bloody battle, which issued in the total defeat of the king of Israel, who never “recovered strength again,” and soon after died.

M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition