Photo: Inside Enoch Turner Schoolhouse (Photo: Bofei Cao)

Protecting Ontario’s architectural heritage

Buildings
Photo: Niagara Falls Tourism (Destination Ontario)

Protecting Ontario’s natural treasures

Natural heritage
Photo: Don Jail

Opening doors since 2002

Doors Open Ontario
Photo: Library and Archives Canada

Featured plaque of the month: Major-General Sir Isaac Brock

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Photo: Distillery District (Photo: Destination Ontario, Hubert Kang)

Understanding adaptive reuse: Case studies

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Photo: Wedding Bells

Book your meeting or special event

Rental venues

Elgin & Winter Garden Theatres

Explore this timeless theatre complex – the world’s last operating double-decker theatre.

Elgin Winter Garden Theatre Homepage

Photo: Josh McSweeney

Spotlight

Explore our provincial plaques

You are just a few clicks away from having information at your fingertips about the hundreds of familiar blue and gold plaques located throughout Ontario.

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Photo: Sword from the Sheaffe collection

Search our collections

Explore the Ontario Heritage Trust’s archaeological and cultural collections. The Trust's collections include over 25,000 cultural artifacts and nearly 1 million archaeological artifacts associated with its provincially significant heritage properties ...

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By the numbers

How your support is making a difference

1,291 Provincial plaques unveiled
251 Easement properties conserved
189 Properties owned and conserved
962,589 Archaeological artifacts
7,378 Hectares of environmentally sensitive lands protected
60 Species at risk whose habitat are protected
165 Archaeological sites protected
160 Kilometres of trails on public recreational Trust lands
25,011 Cultural artifacts conserved
30,200 Designated properties in the Ontario Heritage Act Register