Dundas Cactus Festival August 19 ~ 21, 2022 Downtown Dundas The Cactus Festival of Dundas Ontario is a large, street festival showcasing Dundas businesses & area artists, on the 3rd weekend in August. Please check Event Organizers Website and Social Platforms for ongoing details and updates. Subject to Covid-19 Protocol. Ontario Visited does NOT operate, organize, host, manage any events Read more...