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It is located in the municipality of La Jonquera (Alt Empordà), about 3 km northeast of the town. Perched on a steep, conical granite cliff, it is easily visible from the village at its feet. Only the ruins remain. It is first mentioned in 948, but evidence suggests that it is much older. The strategic position of the fortress, dominating the passes of Portús and Panissars, always made it the target of various interests.
The monastery of Sant Quirze de Colera is a Benedictine abbey in the former county of Empúries, within the boundaries of the Diocese of Girona. It is an architectural complex composed of the Basilica of Sant Quirze, various monastic buildings organized around the courtyard of the cloister, a defensive tower, and remains of a section of the wall. It also includes the church of Santa Maria and the remnants of the old hospital. The monastery is situated about five kilometers away and near the old road to the Coll de Banyuls.