To Gilgal - The Wady Suweinit de-bouches into the plain of the Jordan in which Gilgal was situated. For the sanctity of Gilgal, see above, 1 Samuel 11:14 note.
Related Commentaries of 1 Samuel 13:4
1 Samuel 13:4
4 And all Israel heard say that Saul had smitten a garrison of the Philistines, and that Israel also was had in abomination with the Philistines. And the people were called together after Saul to Gilgal.