Ben Amira is the largest monolith in Africa, rising 633 meters above the desert floor. It is the second largest monolith in the world, after Uluru in Australia. Ben Amira is located in Mauritania, close to the border with Western Sahara and is located 4 kilometers north of the train track, where The famous iron ore train travels between Nouadhibou and Chouaum Ben Amra monolith. Aicha El Khair, a smaller mass, is located a 20-minute drive west of Ben Amra. In 1999, dozens of world-renowned artists celebrated the millennium by carving the rocks at the Aicha El Khair base.
