Boisé du Tremblay, Natural woodland in Longueuil, Canada

The Boisé du Tremblay is a 267-hectare wooded area shared between Longueuil's Le Vieux-Longueuil borough and Boucherville, of which 174 hectares belong to Longueuil. It lies within the Mont Saint-Bruno Forest Corridor and Greater Montreal's blue-green infrastructure. Its wetlands and forest provide habitat for the Western chorus frog.

In January 2012, the City of Longueuil asked the Quebec Ministry of Natural Resources and Wildlife to recognize the Boisé du Tremblay as a wildlife reserve. The woods lie partly in the Le Vieux-Longueuil borough and partly in Boucherville, covering 267 hectares, of which 174 belong to Longueuil. They form part of the Mont Saint-Bruno Forest Corridor.

The name Tremblay refers to the aspen (tremble) that grows in the woods. The site lies within the Mont Saint-Bruno Forest Corridor and Greater Montreal's blue-green infrastructure, so it is treated as a link between neighbouring natural areas rather than an isolated patch of forest.

The walking paths are well marked and easy to follow through different sections of the forest. Wearing sturdy shoes and checking weather conditions beforehand helps, as path conditions vary depending on the season.

This woodland is an essential habitat for the Western chorus frog, a species that has become increasingly difficult to find across North America. The forest also houses impressively organized insect colonies that visitors occasionally spot while exploring.