Located on the border between Tuscany and Umbria, the eerie ruins of Pierle Castle dominate the eponymous valley and the small village gathered around its walls. The castle was first mentioned during the 10th-century and was owned by the Marquis of Monte Santa Maria Tiberina. It was strategically located at the intersection of many roads. During the 13th and 14th-centuries, the castle played a crucial role in the struggles between the Tuscan city of Cortona and the Umbrian city of Perugia. In 1371, Francesco I from the Casali family, who…
