Doors Open Ontario

Doors Open Ontario had another successful season! Nearly 500,000 people visited sites in communities across the province. Thanks to our sponsors, partners and volunteers for their support, and to all who participated. Stay tuned for information about next season …

BYTOWN MUSEUM: Commissariat Building Doors Open Ottawa

BYTOWN MUSEUM: Commissariat Building

Discover the secrets hidden within Ottawa’s oldest stone building – the Commissariat: home of the BYTOWN MUSEUM – in this special behind-the-scenes tour! Learn about this spectacular heritage building from the foundation to the rafters – including the vault, and stories of its former uses and inhabitants. This building still has much to tell 192 years later.

Tell us your story about this site

  • Partial wheelchair access
  • Washrooms
  • French services available
  • Kid-friendly
  • Guided tours available

Contact info

1 Canal Lane
Ottawa, Ontario
Telephone: 613-234-4570, ext. 221


Year built: 1827
Building type: Historical landmark, Museum

Dates/hours open

Saturday June 1 – Sunday June 2, 2019
Saturday and Sunday: 10 a.m. to 4 p.m.

BYTOWN MUSEUM: Commissariat Building 1 Canal Lane