2 Samuel 18:6
Then David’s forces marched into the field to engage Israel in battle, which took place in the forest of Ephraim.
Joshua 17:18
because the hill country will be yours also. It is a forest; clear it and its outlying areas will be yours. You can also drive out the Canaanites, even though they have iron chariots and are strong.”
Joshua 17:15
“If you have so many people,” Joshua replied to them, “go to the forest and clear an area for yourselves there in the land of the Perizzites and the Rephaim, because Ephraim’s hill country is too small for you.”
Judges 12:4-6
Then Jephthah gathered all of the men of Gilead. They fought and defeated Ephraim, because Ephraim had said, “You Gileadites are Ephraimite fugitives in the territories of Ephraim and Manasseh.”