Portes ouvertes Ontario

What is Doors Open Ontario?

Doors Open Ontario is a provincewide heritage tourism program that gives the public free access to explore fascinating heritage properties all across Ontario. It showcases the buildings, natural spaces, infrastructure and cultural landscapes that shape and define our communities. Hosting Doors Open Ontario in your community celebrates its identity, generates volunteerism, builds interest in Ontario’s heritage and drives cultural tourism and economic development opportunities. Participating sites must offer free admission to the public and can include museums, places of worship, public, cultural or institutional buildings, private businesses, trails and natural areas and more.

Aylmer Old Town Hall (Photo: Doors Open Aylmer and Malahide)

Presenting sponsor

The Doors Open Ontario program typically takes place on select weekends throughout the year, with different regions participating at various times. Check the official Doors Open Ontario website or local event listings for specific dates and locations in your area.

Plan Your Visit: Review the list of open sites and plan your itinerary based on your interests and the locations you want to explore.

Share Your Experience: Engage with the program on social media and share your experiences using the official hashtags. Your feedback helps promote the program and encourages others to participate.

Join the Event: On the event day, head to the participating sites and enjoy your tours. Many locations offer free admission, but some may require pre-registration or have limited availability.

Support and Volunteer


The Doors Open Ontario program is made possible through the efforts of dedicated volunteers and local organizations. Consider supporting the program by volunteering or making a donation to help ensure its continued success and growth.

Experience the hidden treasures of Ontario and celebrate its rich heritage with Doors Open Ontario. It's an opportunity to connect with the past and appreciate the architectural and cultural wonders that make Ontario unique.

Visit Doors Open Ontario