Ogrodzieniec Castle is a ruined medieval castle in the Kraków-Częstochowa Upland. Rebuilt several times in its history, the castle was originally built in the 14th–15th century by the Włodkowie Sulimczycy family. The castle is situated on the 515.5 m high Castle Mountain (Polish: Góra Zamkowa), the highest hill of the Kraków-Częstochowa Upland. Located on the Trail of the Eagles' Nests, the ruins are opened for visitors.