Soure Castle
Small, simple 11th century castle built to defend against the reconquest of Portugal by the Moors.
Penela Castle
Castle built to defend Coimbra from the potential reconquest of the region by the Moors. The existing structure dates back to the mid 12th century
Montemor-o-Velho Castle
Predating Portuguese sovereignty, the castle of Montemor-o-Velho is a listed National Monument. Perched on a hilltop overlooking the flood plains of the Mondego the castle still dominates the skyline. There has been a fort or castle of some sort here presiding over and protecting the Mondego valley from as long ago as 2000 BC.
Guimaraes Castle
Imposing 12th century castle built on the site of earlier fortifications. The castle was the official royal residence from 1139 until the 13th century. Now classified by UNESCO, as World Heritage