Great Loop Lock Reference

Lachine Canal Lock 4 - Côte-Saint-Paul

Reviewed planning reference for lock approach, communications, and float-plan preparation.

Lachine Canal / Montréal

Lachine Canal Lock 4 - Côte-Saint-Paul

Montréal, QC

Latitude / Longitude45.462000
-73.587000

Phone514-595-6594 / verify

VHF Channel68

Operating AuthorityNot listed

Last ReviewedNot listed

Lock Location

Zoomed-in location for this Great Loop lock reference.

About This Lock

Segment: Lachine Canal / Montréal. Route status: all-possible Montréal/St. Lawrence/Ottawa connector. Parks Canada says the Lachine Canal has 5 locks; contacts listed for Lock 1 Old Port and Lock 5 Lachine; VHF 68 during hours. Source: https://parks.canada.ca/lhn-nhs/qc/canallachine/activ/navigation; contact: https://parks.canada.ca/lhn-nhs/qc/canallachine/info/contact

Before You Arrive

Fenders ready
Lines ready
Crew briefed
PFDs on deck
Radio on correct channel
Call / monitor lock
Check current notices

Plan With FPW

Add lock planning context to your route and account for lock delays in your float plan.

Plan a Float Plan

Official Source

Official source

Open official source

Navigation Safety Note

This page is a planning reference, not a substitute for official notices, charts, lockmaster instructions, or current local conditions. Always confirm lock status, operating hours, closures, restrictions, and instructions with the official authority before arrival.