Montmorency, town (1990 pop. 21,003), Val d'Oise dept., N France, a suburb N of Paris. J. J. Rousseau lived there (1756–62), first at the nearby "Hermitage," a cottage on the estate of his friend, Mme d'Épinay, and after his quarrel with her, in Montmorency itself.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.