BK1 The Francigena road
From the Borgo of Badia a Isola we can ride along the Via Francigena towards Siena and reach the Castello della Chiocciola castle at the bottom of Monte Maggio. From here we can ride towards Monteriggioni on a non paved road. (About 20 km.).

BK2 Val di Merse Castles
From the Medieval town of Stigliano, famous for its towers, we will ride in the woods of Val di Merse to reach Castiglion che Dio sol sa. From here we will ride towards the Merse river and visit the beautiful village of Brenna and then go back to Stigliano (About 38 km.).