Attached to the abbey church, the small but delightful 15th-century cloister is Unesco listed. Borrow the guide-pamphlet (free) or a 45-minute audioguide (€3) for interpretations of its numerous, characterful carvings.
Within the ticket office is a free little museum of religious artifacts, including an exact copy of the holy shroud. A joint ticket for both the cloister and the Château de Biron costs €12.50/8.