With a bunch of festivals in October 2025 in Longueuil queued up, there is a lot to catch on! From being a spectator at all the cool festivals to attending some interesting events in October in Longueuil there is all the fun awaiting you this month. Take a tour to this interesting guide or list of things to do in Longueuil in October 2025 and make the most of your holidays and weekends!
