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Ermatinger Clergue National Historic Site

Old Stone House and Clergue Blockhouse

Notice: The Ermatinger•Clergue National Historic Site opened to the public on Tuesday, June 23 under Stage 2 of Ontario’s re-opening plan. It will be open Tuesdays to Saturdays from 11 a.m. to 4 p.m.

Visitation at this time will be limited and visitors will be asked to wear their own masks and gloves in order to protect themselves, the exhibits and the historic integrity of the artifacts. For more information, click here.

The Ermatinger•Clergue National Historic Site offers a year-round cultural attraction for residents and visitors to Sault Ste. Marie. The Site consists of an interactive Heritage Discovery Centre and two of the oldest stone buildings, located northwest of Toronto - the Ermatinger Old Stone House and the Clergue Blockhouse.

With its many exhibits and interactive features, the Heritage Discovery Centre promises to make history an engaging experience - remember to visit the The Post Gift shop for unique gift ideas.

The Ermatinger Old Stone House is restored to depict the domestic and professional life of Charles Oakes Ermatinger and other prominent residents and visitors of the House between 1808 and 1870.

The Clergue Blockhouse, was relocated to the Site in 1996, and served as the home of industrialist Francis Hector Clergue from 1894 - 1908.

For a list of events and programs offered at the site view Events and Programs.

To connect with us on social media visit our Facebook Page.

The Ermatinger•Clergue National Historic Site is situated close to neighbouring attractions including the Canadian Bushplane Heritage Centre, the Sault Ste. Marie Museum and the Art Gallery of Algoma.

We wish to acknowledge that we are in Robinson-Huron Treaty territory and that the land on which we are gathered is the traditional territory of the Anishnaabe, specifically the Garden River and Batchewana First Nations, as well as the M├ętis People.

Kathryn Fisher
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Contact Us




800 Bay Street
Sault Ste. Marie, ON
PO Box 580
P6A 5N1