Discover hidden treasures during Doors Open

August 15, 2022
Historic SDG Jail
Historic SDG Jail

Discover Cornwall and SDG Counties’ hidden treasures this Saturday, August 20th and Sunday, August 21st during Doors Open.

During the two-day event, local sites in Cornwall and SDG Counties will open their doors free of charge, giving members of the public a unique chance to see familiar landmarks in a whole new way.

This year’s Doors Open event will take place on Saturday, August 20th and Sunday, August 21st and there are a total of 20 participating locations.

“Doors Open is a great opportunity to celebrate our rich heritage and culture,” said Karina Belanger, Tourism Coordinator with the United Counties of SDG.

Most participating locations are open both days however some sites will only be open for one day, or for specific hours.

“Cornwall and SDG Counties is one of Ontario’s oldest region’s and we have a great history to share,” added Kevin Lajoie, Tourism Officer with the City of Cornwall.

Participating sites

Saturday only

Carman House Museum (10am – 5pm)
Cornwall Public Library (Guided tours at 10am & 2pm, spaces are limited, register in advance at the library website)
Trinity Anglican Church (10am – 4pm)
YourTV Cornwall (10am – 4pm)

Saturday & Sunday

Aultsville Train Station (11am – 4pm)
Cline House Gallery (10am – 4pm)
Cornwall Community Museum (10am – 4pm)
Cornwall Historical Walking Tour (10am – 4pm)
The Glengarry Celtic Music Hall of Fame (9am – 3:30pm)
Glengarry Nor’Westers and Loyalist Museum (10am – 5pm)
Glengarry Pioneer Museum (10am – 4pm)
Historic SDG Jail (10am – 4pm)
Lost Villages Museum (10am – 5pm)
Martintown Grist Mill (10am – 3pm)
Nativity Co-Cathedral (11am – 4pm)
Priests Mill Arts Centre (10am – 5pm)
Saunders Hydro Dam Visitor Centre (9:30am – 5pm)
Upper Canada Migratory Bird Sanctuary (10am – 4pm)

Sunday only

St. John the Evangelist Anglican Church (12pm – 3pm)
St. Raphael’s Ruins (10am – 4pm)

Residents and visitors are encouraged to visit the Doors Open website to see the specific hours of operation and additional information.

About Doors Open

The local event is affiliated with Doors Open Ontario, a province-wide initiative to draw attention to heritage sites in communities across Ontario. Through Doors Open, residents and visitors are invited to discover first-hand Ontario’s hidden heritage treasures, some of which have never been open to the public. Since the program was launched in 2002, over 7.3 million visits have been made to heritage sites participating in this exciting initiative.


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 questions? Need recommendations? We’re here to help! Call or text us at 613-938-4748 or email us at and we’ll be pleased to help you with any questions you may have!

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