depending how you go it can take from 3 to 6 hours. We used a shorter one made on our own, but this thing might also be useful for someone.
(Map is From: Http://www1.ferraraterraeacqua.it/turismo/tea.nsf/Turismo/C88C5688F8E9B063C12569C20043677E?Opendocument)the map:
A the palace of Naselli Crispi
B The church and ex monastery of Jesus
C Corso Ercole I d'Este
D Palace of Varano from Camerino
E Canonici Mattei Palace
F Palace of Giulio d'Este
G Camerini Palace
H Palace of Diamanti
I Palace of Turchi di Bagno
J Palace of Prosperi-Sacrati
K House of Ludovico Ariosto
L Church of San Benedetto
M Trotti Mosti Palace
N Palazzo Guarini Giordani
O Palazzina degli Angeli
P Chiesa di San Cristoforo alla Certosa
Q Palazzo Massari
R Piazza Ariostea


