Built in the 17th century, this mosque is one of the most remarkable ones in Marrakech, designed in Almohad style. There is also the famous Mouassine Fountain with nice geometric decoration.
Closed to non-Muslims
Wikipedia http://en.wikipedia.org/wiki/Marrakesh#Mouassine_Mosque
Address (Unnamed Road), Marrakech 40000, Morocco
Coordinates 31°37'45.99" N -7°59'21.55" E