2 Samuel 18:6
David's army left for the battlefield to fight Absalom and his Israeli followers, and they also fought in the Ephraim forest,
Joshua 17:18
but the hill country will also belong to you. Even though it's a forest, you will clear it and possess it to its farthest borders. You'll drive out the Canaanites, even though they have iron chariots and even though they're strong."
Joshua 17:15
So Joshua replied to them, "Since you're so numerous, go up to the forest and clear ground there for yourselves in the territory where the Perizzites and Rephaim are, because the hill country of Ephraim is too narrow for you."
Judges 12:4-6
Then Jephthah mustered all the men of Gilead, fought the tribe of Ephraim, and defeated them, because they had been claiming, "You descendants of Gilead are fugitives in the midst of the tribes of Ephraim and Manasseh."