Gand, namely: south-east of the mouth of Lichen Lake (Opawica River); South of the mouth of the Opawica River; south-east of the village center of Waswanipi; east of the mouth of Goéland Lake (Waswanipi River); south-east of the mouth of the Nottaway River; east of downtown Matagami; south-west of downtown Chibougamau. The main hydrographic slopes adjacent to Lake Wachigabau are: North side: Opawica Lake, Opawica River, Chibougamau River, Waswanipi River; East side: Opawica River, Germain Creek, Germain Lake, Lessard Lake, Doda Lake; South side: Lichen Lake (Opawica River), Margry Creek, Margry Lake, Nicobi River, Nicobi Lake, Pierrefonds River; West side: Auger Creek, Bachelor River, Waswanipi Lake, Pusticamica Lake. From the dam at the mouth of Opawica Lake, the course of the Opawica River flows over first northeasterly to an elbow river, then northwest to its confluence with the Chibougamau River. This confluence of these two rivers becomes the head of the Waswanipi River. Toponymy The toponym "lac Wachigabau" was formalized on December 5, 1968, by the Commission de toponymie du Québec, i.e. at the creation of this commission. Notes and references See also Lakes of Nord-du-Québec Nottaway River drainage basin Eeyou Istchee James Bay