Joliette is a city in southwest Quebec, Canada. It is approximately 50 kilometres (31 mi) northeast of Montreal, on the L'Assomption River and is the seat of the Regional County Municipality of Joliette. It is considered to be a part of the North Shore of Greater Montreal. The city is home to the Joliette Art Museum, whose works of art include paintings, sculptures, paper artwork and a large collection of art from the French Middle Ages.

The Assomption River is the most important waterway in the Lanaudière region of Quebec, Canada. It is over 200 kilometres (120 mi) long, and has a drainage basin (watershed) of 4,220 square kilometres (1,630 sq mi). Its source is the Mont Tremblant massif. Seven significant rivers flow into the Assomption before it flows into the Rivière des Prairies at Repentigny, Quebec.