With an altitude ranging from a minimum of 305 to a maximum of 1000 meters above sea level Castel d'Aiano and is the highest capital of the province of Bologna and extends the watershed of the rivers Rhine and Panaro an area of 54 sq km. Counting a resident population of 1814 inhabitants. The settlement fortified Aiano began between the seventh el'VIII century and was restored in the tenth century at the elevated dominant in the territory. Situated on a land border, was in a long struggle between Modena and Bologna, until final passage in the township. Castel d'Aiano, during the Second World War, he found himself on the line backwards Gothic Line and the destruction suffered in the bombing of November 1944. Among the many emergencies remembers the village of Rivola at Villa d'Aiano, with the tower of the sixteenth century, the houses of the balcony and monzone (XIII - XIV century.), The Tower of Lavacchio sixteenth century. Signorile and complex Torre Jussi (XVII Century.) With the oratory dell'Annunziata (eighteenth century.) Rock of Roffeno.
A Casigno other teams are interesting Casa Landi and Palazzina. A Labante you can admire the millstones of Mill Povolo (still functioning) while S. Christopher waters that flow from a spring created an enchanting deposition of this limestone called "sponga" forming the famous caves Labante (pictured waterfall). Among the forests of Mount Castellana is the location of Stella Matutina (former Riola), which was the summer residence of the Counts Nanni-Levera, almost all owners of the Val d'Aneva. Still to Roffeno, on the way Nonantolana, there is the Church of Santa Lucia, a former Benedictine Monastery.
Where the legend of two shepherds who noticed the image of the Madonna on a chestnut, rose instead of the Shrine Brasa, in the historic pass. Founded at the beginning of the eighteenth century. It was rebuilt after the destruction of war in the early 60s.