Constance Lake First Nation is an Oji-Cree First Nations band government located on the shores of Constance Lake near Hearst, Cochrane District in northeastern Ontario, Canada. It is directly north of the community of Calstock along a continuation of Ontario Highway 663. Constance Lake First Nation is home to close to 1605 members of Cree and Ojibway with approximately 820 living on reserve. The reserves, Constance Lake 92 and English River 66, total 7,686 acres (3,110 ha) in size.

The Kenogami River is a river in the James Bay drainage basin in Thunder Bay and Cochrane districts in Northern Ontario, Canada, which flows north from Long Lake near Longlac to empty into the Albany River. The river is 320 kilometres (199 mi) in length and its name means "long water" in the Cree language. A portion of the river's headwaters have been diverted into the Lake Superior drainage basin.