[1][a] The river rises in Lac de la Bouteille, south of Lake Germaine and west of Fermont.

[11] A map of the Ecological regions of Quebec shows the Aux Pékans River rising to the northwest of Fermont just west of the Spruce/lichen domain of the boreal zone.

[12] At the start of the 1990s Hydro-Québec announced plans to harness the Sainte-Marguerite River with a new SM-3 hydroelectric project, which would produce 846 MW of electricity.

The project would involve the diversion of the Carheil and Aux Pekans rivers, two important tributaries of the Mishtashipu, or Moisie.

[13] The Innu people of Mani-Utenam at the mouth of the Moisie were concerned about the increase in methylmercury and decrease in the flow of the Moise, and the effect on the 12,000–35,000 salmon that entered the river annually.

As well as changing the hydrological regime, water temperature would be affected, an important factor in the habitat quality for Atlantic salmon.

[citation needed] A commission of the Bureau of Public Hearings on the environment concluded that the diversion was not economically justified and could adversely affect the salmon population in the Moisie.