Frai 18+ Quebec City Winter Carnival. The quebec winter carnival (french: The majority of activities are clustered in the main festival site near old québec, but there are also separate events like balls. Every year, thousands of visitors flock to the québec winter carnival to enjoy a host of activities for all ages, including night parades, snow sculptures, shows, and skating. The world's largest winter carnival, the quebec winter carnival has been a highlight on the quebec event calendar since 1894 and been giving quebeckers.