2 Samuel 23:13-15

13During harvest time, three of the thirty chief warriors came down to David at the cave of Adullam, while a band of Philistines was encamped in the Valley of Rephaim. 14At that time David was in the stronghold, and the Philistine garrison was at Bethlehem. 15David longed for water and said, “Oh, that someone would get me a drink of water from the well near the gate of Bethlehem!”