From Pisa airport:
Autostrada A11 from Pisa to Florence.
Autostrada del Sole A1 towards Rome until the Fabro exit.
At the exit follow signs for Fabro. Cross the town of Fabro and continue on S. P. 108. At km 5 of S. P. 108, you will reach an intersection: turn right towards Trevinano.
After 500 meters at the next intersection turn left onto S. P. 50 towards Allerona.
After 6 kms you will reach another intersection: turn right towards Acquapendente and Trevinano. This road bears downhill.
After 3 kms at the intersection turn left towards Acquapendente.
You will skirt Trevinano continuing towards Acquapendente. After 9 kms you will reach an intersection with indications for Siena and Rome; turn left towards Rome and after 1 km turn right for Proceno.
After 3 kms you will reach an intersection with a church in the middle; turn right towards Castellazzara. After 700 meters you will negotiate a sharp elbow curve that leads you into Proceno. Drive under the ancient portal and stop at number 155 of Corso Regina Margherita .