The São Gonçalo Monopteros (Monóptero de São Gonçalo) is an 18th-century monopteros and a cultural heritage monument in Penas Róias, Mogadouro, Portugal. The Baroque-style structure built to house the image of Gonçalo de Amarante is a rare example of this type of architecture in Portugal.[2][3]
It is a circular plan construction, with six 190 cm (75 in) Solomonic columns based on plinths and topped by Ionian capitals. A balustrade is raised above the entablature and the cover is made by a semi-spherical dome.[2][1]
The monopter was built in the same place where a hermitage, built in 1571, once dedicated to São Gonçalo existed. In 1720, this chapel was already quite ruined and the chancel would be used as a place for collecting cattle. It was around that time that the monopter was erected to house the image of the saint.[2][3]
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