Marah – Bitter Springs: On the shore of the Gulf of Aqaba south of the crossing site, where the steep granite mountains rise right out of the sea is the oasis known today as Tayyib Al Ism (good name) and is quite spectacular. The wadi is 30 to 60 feet wide with 300’ high vertical walls and penetrates the mountain for about 2 km. “And when they came to Marah, they could not drink of the waters of Marah, for they were bitter.” Ex 15: 23