SDG COUNTIES, Ontario - Discover Cornwall and SDG Counties’ hidden treasures Saturday, Aug. 15 and 16 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.
“Doors Open is a great opportunity to celebrate our rich heritage and culture,” said Cory Hagen, Administrative Assistant – Tourism and Economic Development, with SDG Counties.
Most participating locations are open both days however some sites will only be open for one day, or for specific hours.
For a fulsome list of locations and events, please click the link below.
WHERE ONTARIO BEGAN: Doors Open
Here is a list of all the Doors Open locations
Aultsville Theatre
2 St. Lawrence Drive Cornwall, Ontario
Step behind the curtain at one of Eastern Ontario's premier performing arts venues. Since opening in 1976, Aultsville Theatre has welcomed generations of audiences to concerts, theatrical productions, film festivals, ceremonies and community events. During Doors Open, visitors can explore backstage areas, discover the technical side of live performance, and gain a unique perspective on what it takes to bring a production to life. From dressing rooms to lighting systems, this behind-the-scenes experience showcases a beloved cultural landmark that continues to enrich the arts scene in Cornwall and SDG Counties.
Crysler's Farm Historic Site
13740 County Road 2 (Beside Upper Canada Village) Morrisburg, Ontario
Overlooking the St. Lawrence River, Crysler's Farm Historic Site commemorates one of the most significant battles of the War of 1812. The site honours the British and Canadian forces who successfully defended Upper Canada during the Battle of Crysler's Farm in 1813. Visitors can explore exhibits, learn about military life during the conflict, and enjoy the picturesque surroundings that connect the region's natural beauty with its rich history. It's a fascinating destination for history enthusiasts and anyone interested in the stories that helped shape Canada.
Lost Villages Museum
16361 Fran Laflamme Drive (Ault Park) Long Sault, Ontario
Discover the remarkable story of the communities sacrificed to create the St. Lawrence Seaway. The Lost Villages Museum features a collection of historic buildings rescued from villages that were submerged in 1958. Set in a charming village-like setting, the museum invites visitors to step back in time and explore homes, businesses and artifacts that preserve the memory of these vanished communities. Through engaging displays and personal stories, guests gain a deeper appreciation for the people, places and resilience that define this unique chapter of local history.
St. John's Presbyterian Church
28 Second Street East Cornwall, Ontario
A treasured landmark in Cornwall, St. John's Presbyterian Church reflects generations of faith, community and Scottish heritage. Known for its welcoming atmosphere and beautiful architecture, the church offers visitors an opportunity to explore a place that has served local families for well over a century. Inside, visitors can admire historic craftsmanship, stained-glass windows and the timeless character that makes rural churches such important community gathering places. Doors Open provides a chance to discover the stories and traditions that continue to thrive within its walls.
St. Raphael's Ruins
19998 County Road 18 South Glengarry, Ontario
Few sites in Ontario are as striking or memorable as St. Raphael's Ruins. Once the largest Roman Catholic church in Upper Canada, the grand stone structure was built between 1815 and 1821 and later damaged by fire in 1970. Today, its towering walls stand as a powerful reminder of the region's early settlement and religious history. Visitors can wander the grounds, appreciate the impressive masonry and learn about the church's connection to Bishop Alexander Macdonell and the development of Catholicism in Ontario.
The Bishop's House of Glengarry
20019 County Road 18 St. Raphael's, Ontario
Located across from the St. Raphael's Ruins, the Bishop's House of Glengarry is one of Ontario's oldest and most historically significant stone buildings. Built in 1808 for Reverend Alexander Macdonell, later Ontario's first Catholic bishop, the house has served many roles throughout its history, including a residence and educational institution. Visitors can explore ongoing restoration efforts, learn about the building's remarkable past and discover how dedicated community volunteers are preserving this important landmark for future generations.
Galop Canal, Iroquois
50 Boat House Road Iroquois, Ontario
The Galop Canal offers a fascinating glimpse into the transportation history of the St. Lawrence River. Originally constructed to help ships bypass rapids along the river, the canal played a vital role in regional trade and travel before the arrival of the modern Seaway system. Today, visitors can stroll the scenic site, learn about the engineering achievements that shaped navigation in Eastern Ontario and enjoy beautiful waterfront views. It's a destination where history, nature and innovation come together.
Paroisse de la Nativité-de-la-Bienheureuse-Vierge-Marie
300 Montreal Road Cornwall, Ontario
This historic church stands as a testament to the enduring French-Canadian heritage of the region. Rich in architectural detail and cultural significance, the parish has long served as a centre of worship, community and tradition. Visitors can admire the beautiful interior, sacred artwork and craftsmanship that reflect generations of faith and dedication. Doors Open provides a unique opportunity to learn about the church's role in preserving the area's francophone identity while celebrating its continued importance in the community today.
Carman House Museum
5895 County Road 1 Iroquois, Ontario
Built around 1815, the Carman House Museum is one of the oldest surviving buildings in the area and one of only a handful of original structures left in Iroquois following the Seaway project. This charming limestone home offers visitors an authentic look at Loyalist-era life in Upper Canada. Carefully preserved rooms and historical displays tell the story of early settlers and the challenges they faced in building communities along the St. Lawrence River. A visit offers a captivating journey into the region's past.
Glengarry Celtic Music Hall of Fame and Museum
19687 William Street Williamstown, Ontario
Celebrate the rich Celtic roots that continue to shape Glengarry's identity. The Glengarry Celtic Music Hall of Fame and Museum honours musicians, performers and cultural champions who have preserved and promoted Celtic traditions throughout the region. Through exhibits, memorabilia and stories of notable contributors, visitors can explore the lasting impact of Scottish heritage on local music and culture. It's a must-see destination for anyone interested in the vibrant traditions that make Glengarry unique.
Priest's Mill Arts Centre
16 Mill Square Alexandria, Ontario
Set within a beautifully restored historic mill in Alexandria, the Priest's Mill Arts Centre blends heritage and creativity in a truly unique setting. Visitors can explore galleries showcasing local artists, enjoy the character of the original mill architecture and learn about the building's evolution from industrial site to cultural destination. The centre serves as a hub for artistic expression and community engagement, offering an inspiring experience that highlights both the region's history and its thriving creative spirit.
Cline House Gallery
204 Second Street East Cornwall, Ontario
One of Cornwall's finest heritage homes, Cline House Gallery combines historic elegance with contemporary artistic expression. Built in 1854, this beautifully preserved Regency-style building now serves as a vibrant gallery space featuring exhibitions by local and regional artists. Visitors can admire original architectural elements while exploring a diverse range of artwork in a setting that celebrates creativity and heritage. The gallery offers a unique opportunity to experience Cornwall's artistic community within one of the city's most distinctive historic buildings.
Glengarry Nor'Westers & Loyalist Museum
19651 County Road 17 Williamstown, Ontario
Discover the compelling stories of the pioneers, soldiers and settlers who helped shape Glengarry and Upper Canada. The Glengarry Nor'Westers & Loyalist Museum features exhibits that explore military history, Loyalist settlement and everyday life in the region's early years. Artifacts, photographs and interpretive displays bring the past to life, offering visitors an engaging look at the people and events that influenced local and national history. It's an essential stop for anyone interested in Ontario's roots.
Sir John Johnson House
19692 William Street Williamstown, Ontario
The Sir John Johnson House stands as a remarkable reminder of Loyalist history in Eastern Ontario, located in Williamstown. Associated with one of the most influential Loyalist figures of the post-Revolutionary era, the site reflects the experiences of those who settled in Upper Canada following the American Revolution. Visitors can learn about early settlement, political change and life along the frontier while exploring a property deeply connected to the founding stories of the region. The house offers an insightful look into a formative period of Canadian history.
Cornwall Community Museum
160 Water Street West Cornwall, Ontario
Housed in one of Cornwall's oldest buildings, the Cornwall Community Museum brings local history to life through engaging exhibits and artifacts. Visitors can explore stories of industry, immigration, transportation and everyday life that have shaped the city over generations. The museum's collection offers a fascinating glimpse into Cornwall's evolution from a small riverside settlement to a thriving urban centre. A visit provides a deeper appreciation of the people, events and innovations that have left their mark on the community.
The Heritage Centre
14 Victoria Street Chesterville, Ontario
The Heritage Centre, originally the Winchester Township Town Hall, served as a courthouse, drill hall, movie theatre, firehall and many other things. The Chesterville and District Historical Society took over the building in 1984 and has been collecting artifacts and researching local history since.
St. Columban's Church
36 Fourth Street West Cornwall, Ontario
Majestic and inspiring, St. Columban's Church in Cornwall is renowned for its impressive architecture and deep connection to the surrounding community. Visitors will be captivated by its soaring interior, beautiful stained glass and remarkable craftsmanship. For generations, the church has served as a spiritual and cultural gathering place, reflecting the strong faith traditions of Glengarry County. During Doors Open, guests can explore this architectural gem while learning about the history, people and traditions that continue to make it a cherished regional landmark.
Cornwall Historic Walking Tour
Pick up a map and start your tour at the Cornwall Tourism info centre (100 Water Street East), or download one Cornwall, Ontario
Step into Cornwall's past on a guided journey through one of Ontario's oldest communities. The Cornwall Historic Walking Tour highlights significant landmarks, architectural treasures and fascinating stories that have shaped the city over more than two centuries. From heritage homes and civic buildings to tales of industry, immigration and riverfront development, visitors gain a deeper appreciation for Cornwall's rich and diverse history. Whether you're a longtime resident or first-time visitor, this engaging experience offers a fresh perspective on the people, places and events that helped build the community we know today.
Historic SDG Jail
11 Water Street West Cornwall, Ontario
Built in 1833, the Historic SDG Jail is one of Ontario's oldest surviving correctional facilities and one of Cornwall's most intriguing heritage sites. Visitors can explore original prison cells, administrative areas and exercise yards while learning about the building's nearly 170 years of operation. The site offers a fascinating look at the evolution of justice, law enforcement and incarceration in Eastern Ontario. Rich with stories of inmates, guards and dramatic events, the jail provides a unique glimpse into a lesser-known chapter of local history.
St. Finnan's Basilica
72 St. Paul Street Alexandria, Ontario
A cornerstone of Alexandria's religious and architectural heritage, St. Finnan's Basilica stands as one of the region's most impressive landmarks. Recognized for its striking Gothic Revival design, beautiful stained-glass windows and soaring interior spaces, the basilica has welcomed worshippers and visitors since the nineteenth century. During Doors Open, guests can admire its craftsmanship, learn about its important role in the Diocese of Alexandria-Cornwall and discover the stories behind one of the region's most treasured places of worship.
YourTV Cornwall
517 Pitt Street Cornwall, Ontario
Go behind the scenes at YourTV Cornwall and discover how local television is created. As a trusted source for community programming, local news, sports and special events, YourTV plays an important role in connecting residents across Cornwall and SDG Counties. Visitors will have the opportunity to tour production spaces, learn about broadcasting technology and gain insight into the creative process that brings local stories to the screen. It's a unique chance to experience the world of community television firsthand.
Cornwall Public Library
45 Second Street East Cornwall, Ontario
For more than a century, the Cornwall Public Library has served as a hub of learning, discovery and community connection. Beyond its extensive collection of books and resources, the library offers innovative programs, historical collections and welcoming spaces for residents of all ages. During Doors Open, visitors can explore areas not typically accessible to the public, learn about the library's history and discover how this essential institution continues to evolve to meet the needs of a growing and diverse community.
Judy Neville British Home Child Museum
13740 County Road 2 Morrisburg, Ontario
The Judy Neville British Home Child Museum preserves and shares the powerful stories of the more than 100,000 children sent from Britain to Canada between 1869 and 1948. Through exhibits, photographs and personal accounts, visitors can learn about the challenges, resilience and contributions of these young immigrants. Located in a historic former schoolhouse, the museum offers a moving and educational experience that sheds light on an important chapter of Canadian and local history while honouring the legacy of British Home Children and their descendants.
St. John the Evangelist Anglican Church
20788 South Service Road Lancaster, Ontario
Steeped in history and tradition, St. John the Evangelist Anglican Church east of Lancaster has been a place of worship and community gathering for generations. Visitors will be welcomed into a beautiful heritage building featuring impressive architecture, intricate woodwork and stunning stained-glass windows. The church reflects the enduring role of faith communities in shaping Cornwall's development and character. Doors Open provides an opportunity to explore this historic landmark and learn about the people and stories that have filled its halls for decades.
Upper Canada Migratory Bird Sanctuary
5591 Morrisons Road Ingleside, Ontario
One of Eastern Ontario's premier natural attractions, the Upper Canada Migratory Bird Sanctuary located between Ingleside and Morrisburg offers visitors the chance to connect with nature in a spectacular riverside setting. Home to hundreds of species of birds, mammals and other wildlife, the sanctuary features scenic trails that wind through forests, wetlands and open meadows. During Doors Open, guests can learn about conservation efforts, local ecosystems and the importance of protecting migratory habitats. It's a perfect destination for nature lovers, birdwatchers and anyone seeking a peaceful outdoor experience.