More than enough activities to enjoy locally for the final holiday of the summer. Saturday Thumbfest is celebrating year number 12 with 50-plus bands in Lexington. Port Austin and Algonac see art exhibits while endurance is the key to the Swampfoot event, in the St. Clair area. The Trestle Trek is set for Monday starting in Avoca and, at the county park, enjoy more music and food with the 4th annual BlueChiliGrass Festival. Still Running and Emily Torres among the performers. The event is Monday from 11:00 a.m. till 8:00 p.m..