Join 科学・技術 upcoming events being held in Castel Ritaldi. Castel Ritaldi is a picturesque hilltop town in the Umbria region of Italy, known for its rich history, stunning views of the surrounding countryside, and annual events such as the Sagra della Castagna, a celebration of the chestnut, and the Festa del Vino, a wine and food festival showcasing the best of local produce.