Doors Open Ontario presenting sponsor
Doors Open Ontario presenting sponsor

Sault Ste. Marie

event information

Saturday, September 26, 2026, from 10 a.m. to 4 p.m.

The doors are open once again at Sault Ste. Marie’s beloved heritage sites. We invite you to revisit your favourite places or discover something new. Our themes include military history, the fur trade, arts and culture, heritage buildings, architecture and Indigenous history. You will be spoiled for choice!

Come and explore the Ontario Heritage Trust’s popular Doors Open Ontario program and learn more about the province’s spectacular heritage sites!

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Contact information

Algoma University (former Shingwauk Indian Residential School)Doors Open Sault Ste. Marie

  • In-person Doors Open Ontario

Algoma University (former Shingwauk Indian Residential School)

This site is crucial to understanding the history of residential schools and reconciliation in Canada. The Shingwauk Residential School, which operated here from 1874-1970, is now home to Algoma University. Exhibits highlight foundational concepts of healing through education, designing for change, Indigenizing the museum and “Teaching Wigwam” as a contemporary education strategy. Visitors can enter their names in a draw!

  • Full wheelchair access
  • Guided tours available
  • National Historic Site (Canada)
  • Parking
  • Self-guided tours available
  • Site has blue and gold provincial plaque
  • Washrooms
  • Photography allowed

Contact info

1520 Queen Street East
Sault Ste. Marie, Ontario
Email: shingwaukdg@algomau.ca
https://algomau.ca/research/shingwauk-residential-schools-centre

Architecture

Year built: 1935
Building type: Educational facility Historical landmark Museum Archives

Dates/hours open

Sep 26 - Sep 26

Clergue BlockhouseDoors Open Sault Ste. Marie

  • In-person Doors Open Ontario

Clergue Blockhouse

The Clergue Blockhouse stands as a reminder of two important periods in Sault Ste. Marie's history. The blockhouse base contains exhibits and information on the fur trade (the base was originally the powder magazine). The top floor exhibit showcases the early industrialization of Sault Ste. Marie and the man behind it — Francis H. Clergue. Clergue lived on the top floor.

  • Guided tours available
  • Kid-friendly
  • National Historic Site (Canada)
  • Parking
  • Partial wheelchair access
  • Self-guided tours available
  • Washrooms
  • Photography allowed

Contact info

800 Bay Street
Sault Ste. Marie, Ontario
Email: old.stone.house@cityssm.on.ca
https://ecnhs.com

Architecture

Year built: 1819
Building type: Historical landmark Museum

Dates/hours open

Sep 26 - Sep 26

Ermatinger Old Stone HouseDoors Open Sault Ste. Marie

  • In-person Doors Open Ontario

Ermatinger Old Stone House

The Ermatinger Old Stone House is one of the oldest stone buildings northwest of Toronto. Charles Ermatinger and his wife Mananowe (Charlotte) ran their home and business here during the fur trade era. It has served many purposes over the years — hotel, sheriff's residence, courthouse and apartments. Restored from 1967-70, the building is now a historical site and museum.

  • Adaptive reuse
  • Guided tours available
  • Kid-friendly
  • National Historic Site (Canada)
  • Parking
  • Partial wheelchair access
  • Self-guided tours available
  • Washrooms
  • Photography allowed

Contact info

800 Bay Street
Sault Ste. Marie, Ontario
Email: old.stone.house@cityssm.on.ca
https://ecnhs.com

Architecture

Year built: 1812-14
Building type: Historical landmark Historical house Museum
Architect: Charles Oakes Ermatinger

Dates/hours open

Sep 26 - Sep 26

Memorial Tower, TheDoors Open Sault Ste. Marie

  • In-person Doors Open Ontario

Memorial Tower, The

Step inside The Memorial Tower — an iconic structure and symbol of the sacrifices made by local men and women in the service of their country and the world. Artwork depicts action from six military conflicts dating back to the War of 1812. Representatives from the Royal Canadian Legion Branch 25 will be onsite.

  • Guided tours available
  • Parking
  • Partial wheelchair access
  • Photography allowed
  • Military heritage

Contact info

269 Queen Street East
Sault Ste. Marie, Ontario
Email: v.mcleod@cityssm.on.ca

Architecture

Year built: 1946-49
Building type: Historical landmark
Architect: Stinson Kennedy Sinclair

Dates/hours open

Sep 26 - Sep 26

North West Company LockDoors Open Sault Ste. Marie

  • In-person Doors Open Ontario

North West Company Lock

The North West Company Lock is located at the foot of Huron Street. It is actually two structures built almost 100 years apart. The stone replica lock seen today was built in 1896 and lies over the floor and framework of the original lock built in 1797. The lock was built to help laden canoes and boats navigate the rapids.

  • Guided tours available
  • National Historic Site (Canada)
  • Parking
  • Self-guided tours available
  • Site has blue and gold provincial plaque
  • Photography allowed

Contact info

75 Huron Street
Sault Ste. Marie, Ontario

Architecture

Year built: 1797; 1896

Architect: Francis H. Clergue

Dates/hours open

Sep 26 - Sep 26

Ontario Forest Research InstituteDoors Open Sault Ste. Marie

  • In-person Doors Open Ontario

Ontario Forest Research Institute

Explore the Ontario Forest Research Institute (OFRI), one of the Sault’s most beautifully designed buildings. Constructed with local maple, granite and glass, it offers a unique work environment with natural light and a reminder of its northern Ontario location. OFRI is a Ministry of Natural Resources workplace, supporting forest research related to climate change, genetic diversity, invasive species and more.

  • Full wheelchair access
  • Guided tours available
  • Parking
  • Washrooms

Contact info

1235 Queen Street East
Sault Ste. Marie, Ontario
https://www.ontario.ca/page/forest-research

Architecture

Year built: 1987
Building type: Government building
Architect: David Ellis

Dates/hours open

Sep 26 - Sep 26

Sault Ste. Marie ArmouryDoors Open Sault Ste. Marie

  • In-person Doors Open Ontario

Sault Ste. Marie Armoury

Explore the Sault Ste. Marie Armoury, home to the 49th (Sault Ste. Marie) Field Regiment, Royal Canadian Artillery and the 33 Service Battalion. Today, army reserve and cadet units use the facility for military drills and training. Visit the Lest We Forget Remembrance and History Library and Last Post Museum. Learn about anti-aircraft guns and the Howitzer artillery gun outside.

  • Full wheelchair access
  • Guided tours available
  • Kid-friendly
  • Parking
  • Washrooms
  • Photography allowed
  • Military heritage

Contact info

375 Pine Street (1 Garrison Way)
Sault Ste. Marie, Ontario
https://rca-arc.org/49th-field-artillery-regiment-rca

Architecture

Year built: 1950
Building type: Military Museum

Dates/hours open

Sep 26 - Sep 26

Sault Ste. Marie MuseumDoors Open Sault Ste. Marie

  • In-person Doors Open Ontario

Sault Ste. Marie Museum

Located in the old post office building, the Sault Ste. Marie Museum showcases artifacts that illustrate the city’s history. Over three floors of exhibit space and one and a half floors of archival space, exhibits include the Walter Wallace Military Gallery, Skylight Gallery, Marine Gallery, Music Gallery, Sports Gallery and the Durham Gallery, which features rotating exhibits.

  • Full wheelchair access
  • Guided tours available
  • Kid-friendly
  • Parking
  • Self-guided tours available
  • Washrooms
  • Photography allowed
  • Rental opportunities
  • Military heritage

Contact info

690 Queen Street East
Sault Ste. Marie, Ontario
Email: info@saultmuseum.ca
https://www.saultmuseum.ca

Architecture

Year built: 1904-06
Building type: Museum Post office

Dates/hours open

Sep 26 - Sep 26

Sault Ste. Marie Public Library (James L. McIntyre Centennial Branch)Doors Open Sault Ste. Marie

  • In-person Doors Open Ontario

Sault Ste. Marie Public Library (James L. McIntyre Centennial Branch)

Explore the world of true crime at the James L. McIntyre Centennial Library! Join authors Judy Penz Sheluk and Amanda Capper to learn about researching real-life cases and transforming historical documents into gripping narratives. Sign up for a guided tour of the library, and along the way, learn about historical criminal cases and the collections that the library holds.

  • Full wheelchair access
  • Guided tours available
  • Kid-friendly
  • Parking
  • Self-guided tours available
  • Washrooms
  • Photography allowed

Contact info

50 East Street
Sault Ste. Marie, Ontario
Email: admin.library@cityssm.on.ca
https://ssmpl.ca

Architecture

Year built: 1966
Building type: Library
Architect: Frederic Rounthwaite

Dates/hours open

Sep 26 - Sep 26