Castle of Penela (Portuguese: Castelo de Penela, Portuguese pronunciation: [kɐʃˌtɛɫu dɨ pɨˈnɛɫɐ]) is located in a Penela town in Penela Municipality in Coimbra District, Portugal. The castle was built on a hill dominating the area and used to be a stronghold protecting Coimbra in times of Reconquista.