Jamieson, Fausset and Brown on 1 Samuel 9:4-5

4-5. he passed through mount Ephraim--This being situated on the north of Benjamin, indicates the direction of Saul's journey. The district explored means the whole of the mountainous region, with its valleys and defiles, which belonged to Ephraim. Turning apparently southwards--probably through the verdant hills between Shiloh and the vales of Jordan (Shalisha and Shalim)--he approached again the borders of Benjamin, scoured the land of Zuph, and was proposing to return, when his servant recollected that they were in the immediate neighborhood of the man of God, who would give them counsel.