Sunday Lake (Quebec)

Sunday Lake (in French: lac Sunday) is a lake located in the municipality of Saints-Martyrs-Canadiens, in the Arthabaska Regional County Municipality, in the administrative region du Centre-du-Québec, in Québec, in Canada. It is headlake of the rivière au Pin, about 1.5 km upstream from Breeches Lake.

Geography
The lake, 2.5 km long and 600 m wide, is private and the Brothers of the Sacred Heart own it; the banks are almost entirely wooded. Camp Beauséjour is a welcoming place for groups and families. Recreational trips, a family camp, and fishing are available.