Festenstein Castle (also Burg Festenstein, Ruine Festenstein, Schloss Festenstein, Castelforte, and Castel Forte) is a 13th-century castle ruin, located above Andrian in South Tyrol, in northern Italy. It is perched on a rocky outcrop called the , and can only be reached via a steep mountain climb. The castle was built around the mid-13th century, and was used as a stronghold by the many warlords of the area. It was saved from further deterioration in 2008.