From Rome, follow the via Cassia for 15 Km as far as the turning for "La Storta", from here, to the left go along Via Braccianese (22 Km) until you arrive at castello di Bracciano.Leaving the town of Bracciano go in the direction of Santa Severa by taking the road for Cerveteri (22 Km), continue as far as the crossroad with the SS 1 Aurelia and here turn right in the direction of Civitavecchia for another 10 Km. Continue as far as the castle of Santa Severa.Leaving Santa Severa turn left along SS 1 Aurelia, towards the north and continue for around 60 Km, passing through Civitavecchia (17 Km) and Monte Romano (SS 1b - 30 km.)until you arrive in Vetralla where you meet the SS 2 Cassia.From here continue in the direction of the castle of Bolsena, passing by Viterbo (13 Km) and Montefiascone (16 Km).