 In the east, is the residence (12th, 14th, 15th centuries) which was occupied by the lord of the manor; to the north, what could be the crypt of the castle chapel (15th century); in the centre, a large ceremonial building built in the last years of the 15th century, starting from an older structure (12th century).It still has remarkable vaults with the arms of the Bourbon-Vendôme family and a niche for oil lamps decorated with three masks.A guard room (end 15th century) is installed under this staircase in order to control movement in the underground galleries.