Coteau-du-Lac National Historic Site

The Coteau-du-Lac National Historic Site celebrated 100 years of historic designation in 2023. It is located about 50 km southwest of Montréal on the shores of the St. Lawrence River. It features Canada’s first lock canal and the remains of a fort. Discover this 7,000-year-old passageway.

Two female visitors observe the blockhouse from a distance at Coteau-du-Lac National Historic Site.

Historic Places Day 2024

Take part in this special day to discover or rediscover the fabulous history of the blockhouse and lock canal.

A man and a woman each paddling a kayak on a canal.

Guided tour on the water

Book your place now for this guided aquatic tour on the Soulanges Canal on Saturday, July 13, at 10 am.

Three female visitors look at the metal structure representing a boat in the historic remains of the canal at Coteau-du-Lac National Historic Site.

Cultural calendar 2024

Discover the full calendar of special activities and events coming up this season.

School diaries

Do you work in education? Discover our school programs designed to provide a stimulating learning environment for elementary and high school students.

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.

Plan your visit

See information about hours of operation, fees, facilities, parking, and more.


Learn about the daily visitor fees, free admission for youth and more.

Safety and guidelines

Read the rules and important bulletins.

About Coteau-du-Lac National Historic Site

Culture and history

Discover the historical and cultural dimension of the Coteau-du-Lac National Historic Site.

Nature and science

Learn more about the initiatives undertaken by the Coteau-du-Lac National Historic Site team to preserve the integrity of the site.

Stewardship and management

Find out about job offers, the 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


Visitor centre and reservations


Hours of operation

General public
Coteau-du-Lac National Historic Site is open until September 2, 2024.
See all hours

School groups
Coteau-du-Lac National Historic Site welcomes school groups for guided tours. Contact us to discuss your needs.

#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.

Battle of the Châteauguay National Historic Site

Discover the strategies behind the significant day of October 26, 1813 when outnumbered Canadian troops defeated the invading American army. Ride 14 kilometres by bike or car across the actual battlefield!

Fort Lennox National Historic Site

Built on Île aux Noix between 1759 and 1760, Fort Lennox reopened its doors in June 2023 after major restoration work. This mythical site was at the heart of the French defense against the British invasion by the Richelieu River, and the ferry ride to get there is worth a visit in itself.

Date modified :