Its upper reaches belong to the most fertile in the whole of Morocco; here we find Ilegh, the capital of the old Berber kingdom Tazzarult, which used to control the caravans to Sudan.
http://www.livius.org/ha-hd/hanno/hanno02.html
verder kan je hier heel veel informatie vinden over de Amazigh koningen
massinisa, yughurta, hasdrubal, etc
http://www.livius.org/rome.html