It is one of the most important archaeological sites in the state of Tiaret. The 13 walls are funerary monuments to the barbarian kings of North Africa. Three of them are erected on the tops of the Green Mountain and ten on Mount Orawi Trnatten in medroussa. One finds the three mysterious pyramids that were erected between the 5th and 6th centuries BC, which represent the tombs of the Berber princes. The Kingdom of the Wall is located in a well-studied circle and the Fernanda circle that was classified as an archaeological site on December 20 1967.