Coteau-du-Lac National Historic Site

The Coteau-du-Lac National Historic Site is located about 50 km southwest of Montréal on the shores of the St. Lawrence River. This 7,000-year-old passageway features Canada’s first lock canal and the remains of a fort.

The outdoor area of Coteau-du-Lac National Historic Site can be visited on your own. Visit the Activities and experiences page for more information. Please note that the visitor centre and restrooms are not accessible.

School programs

Do you work in education?

Download the 2025-2026 brochure (PDF, 336 KB) to find out more about the complete school programs offered at the National Historic Sites in Quebec.

A memorable walk

Enjoy the green spaces and rest areas where you can have a picnic, gaze at the rapids, and learn more about the site’s rich history and its archaeological remains.

An old black-and-white photo of the Coteau-du-Lac blockhouse.

Back in time

Familiarize yourself with the history of this military fortification once occupied by Indigenous.

Visit Coteau-du-Lac National Historic Site

Activities and experiences

Find out more about our guided tours, school programs and calendar of activities to enjoy solo, with family or friends.

Safety and guidelines

Read the visitor guidelines and important bulletins.

About Coteau-du-Lac National Historic Site

Culture and history

Read about the history and Indigenous heritage of this unique place.

Stewardship and management

Find out about Coteau-du-Lac National Historic Site management plan and more.

How to get here

Contact Coteau-du-Lac National Historic Site

308 A Chemin du Fleuve, Coteau-du-Lac (Quebec) JOP 1BO

General inquiries

1-888-773-8888

Visitor centre and reservations

450-763-5631
coteau@pc.gc.ca

Hours of operation

Coteau-du-Lac National Historic Site will be closed in 2026.

#FortCoteauDuLac #ParksCanada

More places to discover with Parks Canada

Fort Chambly National Historic Site

Roughly 30 kilometres southeast of Montreal, Fort Chambly rises proudly at the foot of the Richelieu River rapids. Built in 1711 to defend the colony, this stone fortification was preceded by three wooden forts.

Fort Lennox National Historic Site

Built on Île aux Noix between 1759 and 1760, Fort Lennox underwent major restoration work between 2018 and 2022. This mythical site was at the heart of the French defence against the British invasion by the Richelieu River.

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