Lake Magpie is a lake in the Côte-Nord region of the province of Quebec, Canada. It forms the middle part of the Magpie River. Lake Magpie is in the unorganized territory of Lac-Jérôme in the Minganie Regional County Municipality. It can only be reached by float plane. A map of the ecological regions of Quebec shows the lake in sub-region 6j-S of the east spru…Lake Magpie is a lake in the Côte-Nord region of the province of Quebec, Canada. It forms the middle part of the Magpie River. Lake Magpie is in the unorganized territory of Lac-Jérôme in the Minganie Regional County Municipality. It can only be reached by float plane. A map of the ecological regions of Quebec shows the lake in sub-region 6j-S of the east spruce/moss subdomain. The lake is named for the Canada jay, a bird closely related to the magpie.