an Entity references as follows:
Les Appalaches ((in French) Municipalité régionale de comté des Appalaches) is a regional county municipality (RCM) in the Chaudière-Appalaches region in southeastern Quebec, Canada. It was established in 1982 from parts of the historic counties of Beauce, Frontenac, , and . The county seat and largest city is Thetford Mines.