The LaRonde complex consists of the underground LaRonde mine, the underground LaRonde Zone 5 (LZ5) mine and the LaRonde mineral processing facility. LaRonde mine began commercial production in 1988, and LZ5 achieved commercial production in 2018, with more than 8 million ounces of gold produced from the complex to date.
The processing facility includes copper and zinc flotation in addition to precious metals recovery and refining. The processing plant produces doré bars containing gold and silver, as well as zinc and copper concentrates that carry valuable gold and silver credits. The LaRonde plant also treats concentrate pulp trucked from the Goldex mill.