Petra The Lost City is a historic and archaeological city in southern Jordan. It is adjacent to the mountain of Jabal Al-Madbah, in a basin surrounded by mountains forming the eastern flank of the Arabah valley running from the Dead Sea to the Gulf of Aqaba
Excavations have demonstrated that it was the ability of the Nabataeans to control the water supply that led to the rise of the desert city, creating an artificial oasis.
In ancient times, Petra might have been approached from the south on a track leading across the plain of Petra, around Jabal Haroun (“Aaron’s Mountain”), the location of the Tomb of Aaron, said to be the burial place of Aaron, brother of Moses. Another approach was possibly from the high plateau to the north. Today, most modern visitors approach the site from the east.