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Regarding the drowning of the Egyptian army, the men and horses could not drown in a small depth of water, so I consider all crossing sites in the north of the Suez Isthmus to be very doubtful. See here for a cross-section of the Suez Isthmus (‘y’ scale exaggerated; the isthmus is low-lying):
https://archive.org/details/kadeshbarneaitsi00trumuoft/page/340/mode/2up
The reference is: Trumbull, H. Clay. Kadesh-Barnea – Its Importance and Probable Site: Including Studies of the Route of the Exodus and the Southern Boundary of the Holy Land. London: Hodder & Stoughton, 1884. p. 341
The same cross-section is reproduced to a better quality in:
Har-El, Menashe. The Sinai Journeys: The Route of the Exodus. New (English) and Revised Edition. San Diego, CA: Ridgefield, 1983. p. 352