Paesaggio Naturale e Seminaturale Protetto Collina Reggiana - Terre di Matilde

The brittleness and the erodibility of the clay rocks that constitute the most widespread substratum of the hills of Reggio explains the origin of one of the most typical and showy phenomena of the entire Apennines: the gullies, clearly visible in the panorama that can be admired from the castle of Canossa.