Events in Collinsville

Some of the most authentic and eclectic events in the Great Rivers & Routes region are held in Collinsville.

Thousands of people pack the streets of Uptown Collinsville to celebrate their Italian heritage – at least they're Italian on that day – for the Italian Fest every September. In the summer, it's all horseradish all the time at the Horseradish Festival, a celebration of the city's status as the Horseradish Capital of the World. The events start there, but they don't end there. Take a look at more here.

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Mar 14th, 2026 to Mar 17th, 2026

Sham-ROCK the Park
Celebrate St. Patrick’s Day and shake off those winter blues with a little luck and a lot of fun. Collinsville Parks & Recreation is hiding 100 St. Patrick’s Day–themed painted rocks throughout…
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Mar 14th, 2026

The International Gem and Jewelry Show
Discover brilliance at America’s longest-running jewelry marketplace. The International Gem & Jewelry Show transforms Collinsville's Gateway Center into a dazzling destination for gem lovers, collectors, and savvy shoppers.Shop directly from a variety…
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Apr 25th, 2026

Barnyard Buddies at Willoughby Farm
Calling all future farmers! Barnyard Buddies at Willoughby Heritage Farm gives kids ages 7 and up the chance to experience farm life firsthand on Saturday mornings from April through October.Each month features…
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May 24th, 2026

Collinsville Memorial Day Festival
Celebrate Memorial Day with Collinsville's 7th Annual Firework Festival! This free, family-friendly event will feature live music, food, drink and craft vendors, kids activities and a show-stopping firework show to jump start…
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Jun 5th, 2026

International Horseradish Festival
The International Horseradish Festival is the hottest event in Collinsville- celebrate the Horseradish Capitol of the World with food, fun, and music! The fest spans several city blocks where visitors will have…
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