2 Samuel 18:6
So the men went out into the field against Israel, and the battle was fought in the forest of Ephraim.
Joshua 17:18
but the hill country shall be yours. For though it is a forest, you shall clear it and possess it to its farthest borders; for you shall drive out the Canaanites, even though they have iron chariots and though they are strong.”
Joshua 17:15
Then Joshua replied, “If you are a numerous people, go up to the forest and clear ground for yourselves there in the land of the Perizzites and the Rephaim, since the hill country of Ephraim is too narrow for you.”
Judges 12:4-6
Then Jephthah assembled all the men of Gilead and fought with [the tribe of] Ephraim; and the men of Gilead defeated Ephraim, because they had said, “You Gileadites are fugitives of Ephraim, in the midst of [the tribes of] Ephraim and Manasseh.”