| Basilica of Saint Mary of the Arches | |
| Native Name: | Basílica de Santa María de Arcos |
| Native Language: | es |
| Designation1 Type: | Non-movable |
| Designation1 Criteria: | Monument |
| Designation1 Date: | 30 March 1978 |
| Designation1 Number: | RI-51-0004276[1] |
| Location: | Tricio, (La Rioja) |
The Basilica of Saint Mary of the Arches, es|Basílica de Santa María de Arcos, is a paleochristian temple, which dates back to the 5th century,[2] located on the outskirts of Tricio, in La Rioja (Spain).[2] Other historians like Caballero, Arce and Utrero propose the hypothesis that it was built during the Reconquista in the 9th or 10th century based on technical and historical considerations.[3]
It was built over a Roman mausoleum of the 3rd century, reusing a number of pieces of this and other buildings of the ancient Roman city of Tritium Megalon.[2]