1. Montreal International Jazz Festival: Held in Montreal, Quebec, this is the largest jazz festival in the world. It showcases over 2,000 artists from around the globe and offers free concerts and events.
2. Just for Laughs Comedy Festival: Also held in Montreal, this festival celebrates comedy in all its forms, including stand-up, sketch comedy, improv, and more.
3. Toronto International Film Festival (TIFF): TIFF is one of the largest film festivals in the world and attracts movie enthusiasts from around the globe. It showcases over 300 films from over 80 countries.
4. Canadian Tulip Festival: Held annually in Ottawa, Ontario, this festival celebrates the arrival of spring and features over one million tulips in bloom.
5. Niagara Falls Winter Festival of Lights: This festival in Niagara Falls, Ontario, transforms the city into a winter wonderland with over three million sparkling lights illuminating the falls and surrounding area.
6. Quebec Winter Carnival: Held in Quebec City, Quebec, this festival embraces the winter season and features ice sculptures, dog sled races, snowshoe walks, and more.
7. Festival Acadien de Caraquet: Celebrated in Caraquet, New Brunswick, this festival celebrates Acadian culture and heritage through music, dance, food, and other activities.
8. Winnipeg Fringe Theatre Festival: Held annually in Winnipeg, Manitoba, this festival showcases alternative, avant-garde, and contemporary performing arts from local, national, and international artists.
9. Calgary Stampede: One of the largest rodeos in the world, the Calgary Stampede offers chuckwagon races, midway rides, concerts, and more. It celebrates the Western heritage of Alberta.
10. Taste of Edmonton: This festival in Edmonton, Alberta, is North America's largest outdoor food festival and features over 50 restaurants and food trucks serving a variety of international cuisine.
These are just a few of the many festivals that take place in the St-Lawrence lowlands and Great Lakes region, highlighting the region's vibrant cultural scene.