The third weekend of July
The Longlac Summerfest, taking place over the 3rd weekend of July, is a fun-filled event perfect for people of all ages. A range of activities, food, and entertainment are situated at various locations across the town, such as the Ballpark, Longlac Arena, or Lakeside Centre.
This is the perfect event to enjoy the outdoors and immerse with the local neighbourhood as you observe or participate in activities such as live baseball games, bike parades, street dances, fish fries, or arts and crafts.
Photos: https://www.facebook.com/LonglacSummerfest/photos/?ref=page_internal
Various locations across Longlac (dependent on event/activity) 
https://superiorcountry.ca/event/longlac-summerfest/