Ancient medieval fortification located at an altitude of 1033 meters. Currently, almost in ruins, it retains an enclosure delimited by walls and two doors. The Porta do Sapo (Frog Door) stands out. At the site of the primitive rock fortification, there are traces of prehistoric and Iron Age occupations.

Temple with a single nave, built in 1245. Special attention is given to the portal with pointed archivolts and the north portal with the "Tree of Life" carved in the tympanum.

Roman bridge adapted in medieval times, transformed into a trestle deck bridge with two full arches. It has a perfect round arch of cushioned staves and a small side arch. Even today it retains the original floor made up of large slabs and stone guards.

The church remains from the monastic complex, which retains interesting architectural features. On the front, the portal with four archivolts is the primitive one and in the upper area, redone in the 17th century, São Bernardo, the founder of Cistercian, the Lady of the Assunção and São Bento, surmounted by the coat of arms of the Order, keep us company in this place isolated but superb. The head of the temple is divided into quadrangular chapels, revealing the typically Cistercian architecture. The interior, with 3 naves, without a transept, was greatly transformed in the modern era. In the monastic dependencies …

Melgaço Castle currently consists of an imposing keep - with three floors, a parapet protruding over corbels, crowned by pyramidal merlons and with a hipped tile roof - and the surrounding walled enclosure, in a good state of conservation. It is believed that it may have had 3 towers and two doors, according to Duarte de Armas in his “Livro das Fortalezas” (Book of Fortresses) from 1509. The current tower houses the Melgaço Keep Tower Museum.

Romanesque building dating from the 13th century, which has undergone several changes over the centuries. The Romanesque portals, the modillion, the oculus and the pointed arches stand out.

All that remains of the original medieval fortification is the keep, part of the 12th century fortress, part of the barbican and the towers that flanked one of the gates of the fence. From the 17th century it retains part of the rampart fortification.

Font with elaborate decoration, boasting seven inscriptions and with a central niche. 18th century style, this monument has a backrest in Gable, defined by pilasters.