Triongo is one of eleven parishes (administrative divisions) in Cangas de Onís, a municipality within the province and autonomous community of Asturias, by northern Spain's Picos de Europa mountains.
|Coordinates: Coordinates: 43°24′00″N 5°08′00″W / 43.4°N 5.133333°W|
|Municipality||Cangas de Onís|
In 942, King Ramiro II of León donated to the bishop Vermudo of Oviedo the churches of San Vicente and Santa Eulalia of Triongo. This was written in a document conserved in the Archive of the Cathedral of Oviedo.