The Castle of Paderne (Portuguese: Castelo de Paderne) is a 12th-century fortification located in the civil parish of Paderne, municipality of Albufeira, in the Portuguese Algarve. Built 7.5 kilometres (4.7 mi) from the coast in the second half of the 12th century by the Berbers, it is just 8.2 kilometres (5.1 mi) from the resort town of Albufeira, along a bend in the Quarteira River.