From Grosseto by car : Go straight in S.s 322 for about 20km until Scansano, than take S.s 323 for other 20km and than Strada provinciale 10 for about 1km.
Turn right, and than go straight in Strada Statale Maremmana for 6.5 km.
By train/bus : Arriving at the station of Grosseto, you can take the bus of RAMA that will bring you to Sorano.
From Firenze by the highway : get the motorway exit to Orvieto and follow the direction to Castel Giorgio, San Lorenzo, Grotte di Castro, Sorano.
From Firenze by Siena : get the A1 motorway exit to Firenze Certosa, and take the speedway direction until Siena Sud ( motorway exit SS2 Cassia – Buonconvento), than take the Cassia (SS2) until km146 where there is the indication to Sorano.