Mesnil-Roc'h () is a commune in the Ille-et-Vilaine department in Brittany in northwestern France. It was established on 1 January 2019 by merger of the former communes of Saint-Pierre-de-Plesguen (the seat), Lanhélin and Tressé.Arrêté préfectoral 11 December 2018
Geography The commune is located 41.1 kilometres from the prefecture of the department, Rennes, and 12.5 kilometres from the canton of Combourg.
Population Population data refer to the commune in its geography as of January 2025.
See also Communes of the Ille-et-Vilaine department
References