Manic 5 Dam, Quebec Sept. 22, 2010 The Daniel-Johnson Dam (French: Barrage Daniel-Johnson), formerly known as Manic-5, is a multiple arch buttress dam on the Manicouagan River which creates Manicouagan Reservoir. The dam is composed of 14 buttresses and 13 arches and is 214 km (133 mi) north of Baie-Comeau in Quebec, Canada.

Quebec: Manic 5 dam on St. Laurent River