(From 2011 Vintage) The Clos is a Monopole of Joly's Family that has its own AOC Coulee de Serrant. In older vintages, Nicolas Joly Coulee de Serrant was labelled as 'Chateau de La Roche aux Moines'.
(From 2010 Vintage) It carries also appellation Savennières. The vines of an Middle Age of a score of years result from selections massales, and not clonales, to increase aromatic complexity. The grounds are primarily made schists but also sometimes of quartz and more rarely of sand. The outputs are of 30/35 hectolitres per hectare (50 authorized). Wine making out of wood or tank. Production: approximately 15 000 bottles/year. The quality of a wine is done especially before the vintage : the storeroom should be has our eyes only one maternity and never a factory. The wine making remains very simple; a certain number of acts like the relevurage, aromatic or not, osmosis etc… are banished (see data sheet). The wines are stored especially in old undergrounds or the bases of the castle.