Located in Gaillard Castle (15C), which for some time housed the Parliament of Brittany. It contains numerous objects obtained from the first excavations of megaliths from Carnac or Locmariaquer. Necklaces, bracelets, polished axes, swords, ring-discs... On the second floor, do not miss the study with its painted panels, based on the theme of "Pères du Désert"!