The route starts from piazza Marconi in Sovicille, from where you will come to a roundabout at the end of the road. Here, turn left on the SP 37 “Sovicille” road towards Siena - Volte Basse, which goes downhill at first through the Piana dello Spino area where after 1.7 km you will see the church of San Giovanni Battista on the right hand side. Continue along the SP 37 towards Volte Basse, riding alongside a long strip of pine trees on the right. When you get to a T-junction with the SP 73 “Senese Aretina” road turn left towards Siena, and after 300 m turn left again onto the SP 101 “Montemaggio” road towards Florence – Monteriggioni and you will find yourself in the municipality of Siena.
Continue along the gentle hills of the road and after 11.7 km you will get to Pian del Lago. At the junction near the Pian del Lago riding club, turn left towards Celsa castle. After 3 km you will be back in the municipality of Sovicille, where a pleasant uphill climb starts. The surrounding landscape is beautiful and the road runs through oak woods, olive groves and fields until Celsa castle (XVII century). At the iron gate you will enter the municipality of Casole d'Elsa: continue uphill for another 1.6 km until Celsa (573 metres above sea level). After the hill you can, if you want, make a short detour to the town of Marmoraia.