Constructed in 1558/965 AH by Lalla Mansour, the mother of Ahmad  al-Mansur Dahbi (r. 1578-1603 / 968-1012 AH).  The prayer hall has eight naves, delineated by large, decorated columns supporting monumental arches.  The sahn is bordered by 5 arch porticoes on three sides, and the minaret is in the northwest corner.  The main entrance facade has three blind arches to the north of the monumental portal. A madrasa, hamam, and Qur'anic school are associated with the mosque.