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Coteau-du-Lac National Historic Site

Region City
Montérégie Coteau-du-Lac

As the site of the first lock in North America, Coteau-du-Lac has been a strategic thoroughfare, from the Laurentian Archaic time until the 19th century. Discover the history of the canal, built as the last possible means for circumventing the rapids on the St. Lawrence.

Map and contact information


Some restrictions may apply. It is always advisable to check the schedule with the company before travelling.


Free admission

Other charges may apply.

Contact information

308A, ch. du Fleuve, Coteau-du-Lac, Québec, Canada, J0P 1B0

Vehicle and Parking Services

  • Free outdoor parking
  • Permanent exhibitions


  • Native culture interpretation
  • Site interpretation
  • Rally / Treasure hunt
  • Self-guided tours
  • Tours : in french
  • Tours : in english


  • Boutique
  • Gardens
  • Panoramic view / lookout

Restaurant and food services

  • Picnic area


  • Entertainment
  • Reservations required
  • Tours : in french
  • Tours : in english

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