Ontario is home to an incredibly diverse set of fall fairs and festivals that residents can add to their bucket lists for this upcoming season, with something to do in almost every corner of the GTA. Here's a list of the most talked-about fall fairs that are returning for 2025:Local and agricultural fairsSeptember and October are synonymous with local carnivals held on large outdoor grounds, complete with midways, petting zoos, derbys, educational exhibits and more. They always have a country and old-school vibe to them that many love, focused around agricultural and rural life. Here are some you can check out throughout Ontario to bring back the nostalgia:This one deserves its own category, right? If apples are your thing, then here are the fests made especially for you:Pumpkin festivalsAnd of course, NO fall itinerary is complete without a visit to pick pumpkins.