A small enclave of 78 hectares in the hillsides of Layon. The AOC Coteaux du Layon 1er Cru Chaume was recognized by decree in 2011. The wines come from plots demarcated around the Hameau de Chaume in the commune of Rochefort-sur-Loire. The decrees of the appellation legislate maximum yields of 25 hl/ha.