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The Great Haunted Alton Halloween Festival

Saturday, October 24, 2026 at 12:00 PM
Third & State Streets
110 W. 3rd St.
Downtown streets close for an afternoon festival with a pet costume parade, 30-plus vendors, a cash-prize costume contest and the Steve Ewing Band.
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We gather listings from venue and organizer calendars across the Metro East and present them with the best information we can find. Details change, and not every calendar is updated. Please check with the venue or host before making plans to attend. The organizer's page is the place to start.