Heritage Walking
Take a self-guided tour of the downtown to appreciate the unique limestone masonry of the local buildings.
Ontario, Canada
City·Historic, Quaint, Peaceful
Images coming soon!
St. Marys, Ontario, is a captivating destination in Southwestern Ontario, distinguished by its unique 19th-century limestone buildings that earned it the nickname 'The Stonetown.' This architectural heritage creates a unique and charming atmosphere throughout the downtown area. The town is beautifully situated at the confluence of the Thames River and Trout Creek, offering scenic parklands and trails like the Grand Trunk Trail, which features the historic Sarnia Bridge. Sports enthusiasts will appreciate the Canadian Baseball Hall of Fame and Museum, while summer visitors can enjoy a swim in the St. Marys Quarry, a former limestone quarry turned into a massive outdoor pool. With its blend of history, culture, and natural beauty, St. Marys provides a tranquil and enriching experience for all who visit.
St. Marys, Ontario, is a captivating destination in Southwestern Ontario, distinguished by its unique 19th-century limestone buildings that earned it the nickname 'The Stonetown.' This architectural heritage creates a unique and charming atmosphere throughout the downtown area. The town is beautifully situated at the confluence of the Thames River and Trout Creek, offering scenic parklands and trails like the Grand Trunk Trail, which features the historic Sarnia Bridge. Sports enthusiasts will appreciate the Canadian Baseball Hall of Fame and Museum, while summer visitors can enjoy a swim in the St. Marys Quarry, a former limestone quarry turned into a massive outdoor pool. With its blend of history, culture, and natural beauty, St. Marys provides a tranquil and enriching experience for all who visit.
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Highlights
Stunning 19th-century limestone architecture throughout the downtown core.
The Canadian Baseball Hall of Fame and Museum.
The St. Marys Quarry, Canada's largest outdoor freshwater swimming pool.
Scenic walking trails along the Thames River and the Grand Trunk Trail.
The historic Sarnia Bridge offering panoramic views of the town.
Before you go: St. Marys essentials
The town is relatively small, so most major sites can be seen in a single day or a weekend.
Public transportation options are limited; arriving by car or VIA Rail is recommended.
Many local shops and cafes have limited hours on Sundays and holidays.
Outdoor Swimming
If visiting in summer, don't miss a swim in the St. Marys Quarry, a local landmark and popular swimming hole.
Best For
Heritage walks and a peaceful riverside escape.
Currency
CAD $
Average Cost
$120-$180 p/day
Languages Spoken
English
Trail Exploration
Walk or cycle the Grand Trunk Trail for a great view of the town from the elevated Sarnia Bridge.
Best time to visit St. Marys
June to September for outdoor activities and events.
Spring
A great time to see the river levels rise and enjoy the budding greenery along the riverside trails.
Summer
The best time to visit for swimming at the St. Marys Quarry and attending baseball-related events.
Fall
The limestone buildings provide a beautiful contrast to the vibrant autumn foliage throughout the town.
Winter
A quiet time perfect for cozy stays and enjoying the festive community lights in the downtown core.
Location
St. Marys, Ontario, Canada
