Thérèse is a lake in geographic Casgrain Township,[3] Cochrane District in Northeastern Ontario, Canada.

[1] It is in the Moose River drainage basin, and is located at the northern terminus of Ontario Highway 583 at the community of Lac-Sainte-Thérèse.

The primary inflow, at the southwest, is Ste.-Thérèse Creek.

The primary outflow, at the northeast, is the Pivabiska Narrows, which flows via Lac Pivabiska, the Pivabiska River, the Missinaibi River and the Moose River to James Bay.

Other map sources: This Northern Ontario geographical article is a stub.