Wadi Musa translates literally from Arabic to "Valley of Moses." According to local tradition and religious history, this area is believed to be the spot where the prophet Moses struck a rock with his staff, miraculously bringing forth a spring of water for the Israelites during their exodus through the desert. This spring, known as Ain Musa (Moses' Spring), still exists today and is housed in a small structure at the entrance to the town. Historically, the Nabataeans harnessed the water from this very spring through a sophisticated system of clay pipes to supply the ancient city of Petra. Today, Wadi Musa serves as the modern "gateway town" to the Petra archaeological site. For visitors in 2026, the name is a reminder of the region's deep spiritual roots; it is a "pro" tip to visit the spring itself before entering the Siq, as it provides a tangible connection to the ancient hydrological engineering that allowed a massive civilization to thrive in the middle of a harsh, arid desert landscape.