From 4 corsie Firenze-Siena:

On the Siena ring road, take the exit Siena Sud and follow direction Buonconvento-Roma (SS2). Follow the SS2 for about 35 km and take the exit of Torrenieri. Go straight to the center.

At the crossroad in the small center of Torrenieri, (church right in front of you), go left (SP14) for 16 km. Turn right at the exit of Montisi (this is still the SP 14), direction Madonnina al Monte and follow this road for 3 kilometers. 200 meters after the milepost 9 km on your left you’ll see an entrance gate (steel and wooden gate).  A gravel road leads to the house. You have arrived!

From the A1 coming from Bologna, Firenze or Rome:

Take the exit Val di Chiana and follow direction Bettolle (left). After 1 km (in Bettolle), take right, direction of Sinalunga (SP63A). Follow this road for 4km, and go straight ahead on the roundabout. After 400 meters, left, direction of Trequanda, after 1 km on the T-junction left and after 1 km right, always direction of Trequanda. After another 11 km, go left and immediately right again for Trequanda-San Giovanni d'Asso (SP38).

Follow that road for 11 km, and after Trequanda you will arrive in Montisi. At the entrance of Montisi turn left on the SP 14 direction Madonnina al Monte and follow this road for 3 kilometers. 200 meters after the milepost 9 km on your left you’ll see an entrance gate (steel and wooden gate). A gravel road leads to the house.  You have arrived!