Arriving from A1 (southbound), A24, A12, :

exit on G.R.A. direction Napoli, exit Via Casilina towards Frosinone

At Km 21 of Via Casilina left on Via Acqua Felice

 

Arriving from A1 (northbound):

exit Monte Porzio Catone, left on via Fontana Candida,

up to Via Casilina, make a right.

At Km 21 of Via Casilina, left on Via Acqua Felice