The Bois-de-Liesse Nature Park is a large nature park that spans several cities on the northwestern part of the Island of Montreal in Quebec, Canada.
Most of the western reach of the park is in Dollard-des-Ormeaux, with a small part in Dorval. The rest of the park spans the Montreal boroughs of Ahuntsic-Cartierville, Pierrefonds-Roxboro and Saint-Laurent. Bertrand Brook runs through the park.
The park is named after the Côte-de-Liesse, a former municipality that existed in the area, before being divided into Dorval, Lachine and Saint-Laurent in 1957. The town was named for Liesse-Notre-Dame in France.The park was established in 1984 and has an area of 158 hectares.
Wikipedia https://en.wikipedia.org/wiki/Bois-de-Liesse_Nature_Park
Coordinates 45°30'4.934" N -73°46'3.665" E