Your Cornwall Weekend Guide: Explore, Discover, Enjoy

June 17, 2026

Cornwall, ON – Whether you’re looking to dive into local history, shop from creative vendors, or enjoy the outdoors, this weekend offers something for everyone.

With a mix of culture, community, and summertime energy, here’s your guide to what’s happening around Cornwall on June 20–21.

GO‑BOY! Documentary Screening & Jail Tour

Friday, June 19 6:00 PM | Historic SDG Courthouse & SDG Jail

Step inside Cornwall’s past with a powerful screening of GO‑BOY! Memories of a Life Behind Bars, a documentary exploring the life of Roger Caron — a jailbreaking bank robber turned award‑winning author.

The evening includes the film screening, a Q&A with Producer Rob Lindsay, and a self‑guided tour of the Historic SDG Jail. Tours run until 9:00 PM, offering a rare chance to explore one of the region’s most storied sites. Events — Historic SDG Jail

Dog Mania

Saturday, June 20 10:30 AM – 4:00 PM | Guindon Park

Dog lovers, this one’s for you. Dog Mania returns with a full day of outdoor fun celebrating all things canine.

Enjoy demonstrations, interactive activities, pet‑friendly vendors, and plenty of opportunities to learn about training, care, and local pet services. Whether you’re bringing your own furry friend or just love being around them, Dog Mania offers a welcoming, family‑friendly atmosphere. Mastiff Productions | Join the Canine Celebration Today

Summer Kickoff Market

Saturday, June 20 10:00 AM – 5:00 PM | Cornwall Square

Celebrate the start of summer with a vibrant indoor market featuring local artisans, makers, and small businesses.

Browse handmade goods, artwork, baked treats, bath and body products, candles, unique gifts, and more. The day also includes live demonstrations from SDG Taekwondo, face painting, and interactive activities for all ages, with more surprises to be announced. Summer Kickoff Market

Additional Events:

Looking for other fun things to do in Cornwall? Make sure to check out our Events page for info on upcoming events in the area!

#ExploreCornwallON

Looking for other fun things to do in Cornwall? Check out the Explore section of our website for other fun-filled activities to keep you busy. Better yet, consider extending your stay with a night at one of our great accommodations!

Got a question?

Got a question? Need recommendations? We’re here to help! Email us at info@cornwalltourism.com, and we’ll be pleased to help you with any questions you may

have! Also, make sure to check us out on Facebook and Instagram for updates and more great reasons to visit Cornwall!