Pipmuacan Reservoir

The Pipmuacan Reservoir is a man-made lake on the boundary of the Saguenay–Lac-Saint-Jean and Côte-Nord regions of Quebec, Canada, about 130 kilometres north of Chicoutimi. It is used to control the flow for downstream hydro-electric generating stations on the Betsiamites River and, through Lake Pamouscachiou, also on the Shipshaw River. It has a total surface area of 978 square kilometres and a net area of 802 square kilometres.The reservoir is shaped highly irregularly, with many deep bays, dotted with islands in its western section, and characterized by a large rounded peninsula in the centre.

Source: Wikipedia