
Navigate one of the most vital segments of the St. Lawrence Seaway with the 1431 - Canal de Beauharnois Nautical Chart. This professional-grade hydrographic reference is the definitive guide for transiting the man-made canal that connects Lac Saint-Louis to Lac Saint-François. Covering the technical passage through the Beauharnois Locks, Chart 1431 provides the high-fidelity data required for commercial shipping and recreational cruisers to navigate this restricted waterway safely.
Produced to the rigorous standards of the Canadian Hydrographic Service (CHS), Chart 1431 delivers comprehensive information for this technical waterway:
Lock System Details: Features detailed mapping and approach data for the Lower and Upper Beauharnois Locks, including wharf layouts, mooring areas, and signal lights.
Bridge Clearances & Hazards: Provides critical vertical and horizontal clearances for the numerous lift bridges and fixed spans, including the Saint-Louis Bridge and Larocque Bridge.
Dredged Channel Bathymetry: High-resolution depth soundings for the maintained canal channel, ensuring safe passage through the restricted depths near Melocheville and Salaberry-de-Valleyfield.
Currents & Power Infrastructure: Clearly marks the currents near the Beauharnois Power Station and the surrounding navigational aids essential for staying within the marked channel.
Beyond its functional use on the bridge, this chart serves as a sophisticated piece of maritime history and art for those inspired by the scale of the St. Lawrence Seaway.
Official Technical Aesthetic: Showcases the intricate line work, sounding density, and maritime symbols used by professional hydrographers.
Vivid Print Quality: Printed with high-definition clarity to ensure every light characteristic, depth contour, and buoy is sharp and legible for study or display.
The Perfect Valleyfield Gift: An ideal memento for sailors, residents of Salaberry-de-Valleyfield, or anyone fascinated by the industrial heritage of the Suroît region.
| Feature | Details |
| Chart Number | 1431 |
| Location | Beauharnois Canal, Quebec |
| Scale | 1:20,000 |
| Key Areas | Beauharnois, Melocheville, Salaberry-de-Valleyfield |
| Data Type | Hydrographic (Dredged Depths, Lock Plans, Bridge Data) |
| Publisher | Canadian Hydrographic Service (CHS) Standards |