From the North:
Leave the A1 highway -"Autostrada del Sole"- at Firenze-Certosa and proceed on the "superstrada" for Siena up to the San Donato in Poggio exit. Follow directions for Siena. After Castellina in Chianti, follow the S.R. (ex S.S.) nr  222 "Chiantigiana" for about 4 kms, always towards Siena. At km 47.450 turn right onto a white country road following the sign for Caggiolo and Caggio. At the first crossroads there is  the  sign for Cogno, which will be reached after about one and a half kms.

From the South:
From Siena, follow the S.R. (ex S:S.) nr 222 "Chiantigiana" beginning at "Siena Nord" exit of Siena "Tangenziale", for about 13 kms, passing the village of Quercegrossa. About 1 km after the village of Fonterutoli, at km 47.450, turn left  onto a white country road following the sign for Caggiolo and Caggio. At the first crossroads there is  the sign for Cogno, which will be reached after about one and a half kms