A Romanesque church was built here at the end of the 11C. In the 14C, Charles II the Bad undertook the construction of the Gothic church, although the work had to be stopped and the Romanesque choir remained. The central chapel contains a venerated s..

From the church towers, the view reaches to Olite, the Montejurra and the Pyrenees. This observation point has always had a military role: of the medieval palace, high walls and a covered walkway around the church still remain.