Architectural jewel of the city of Saint-Claude, in the Jura, the Saint-Pierre, Saint-Paul and Saint-André cathedral is a fortified church built in the 14th and 15th centuries. Quite austere in appearance with its exterior walls more than three meters thick, it reveals a most attractive Gothic-style interior.
For a long time the center of international pilgrimage, the cathedral, which was an important abbey until the middle of the 18th century, presents its visitors with beautiful 15th century historiated stalls made by Jehan de Vitry, as well as an Italian altarpiece. from the first half of the 16th century. The entire building is now classified as a Historic Monument.