'Mountains of Ephraim' in the Bible
After Abimelech died Tola, the son of Puah and grandson of Dodo, came to save Israel. He was from the tribe of Issachar and lived at Shamir in the mountains of Ephraim.
The man left Bethlehem to find another place to live. While he was traveling, he came to Micah's house in the mountains of Ephraim.
The people of Dan sent five qualified men out of all the families in the tribe from the towns of Zorah and Eshtaol with instructions to explore the land and spy on it. When they arrived in the mountains of Ephraim, they stayed at Micah's house.
An old man came by at the end of a day's work on the farm. He was originally from the mountains of Ephraim, but he was now living in Gibeah. (The other people there were from the tribe of Benjamin.)