Dedicated to the Virgin, it was added in the 14th century. Its paintings make its reputation and its unusual character. They are painted in a polychromy style that was reinvented in the 19th century. The altar of the chapel is a masterpiece in its own right: it is decorated with silver and was made by a goldsmith and an architect. There are also a few tombstones of 19th century bishops..
The Chiffrevast chapel
This seigniorial chapel was founded in 1381 by the lord of Valognes, Jean de Chiffrevast. It has a particularly interesting three-storey painting from the 14th century, which was restored in the 19th century. Dedicated to Saint Joseph, it is illuminated by a stained glass window representing the saint’s life.