
Navigate the complex crossroads of the Upper St. Lawrence with the 1433 - Île St-Régis to Croil Islands Nautical Chart. This professional-grade hydrographic reference is the definitive guide for mariners transiting the section of the river where Quebec, Ontario, and New York converge. Covering the waters from the St. Regis marshes to the upstream reaches of the Croil Islands, Chart 1433 provides the high-fidelity data required for navigating the international shipping lanes and the approaches to the Wiley-Dondero Canal.
Produced to the rigorous standards of the Canadian Hydrographic Service (CHS), Chart 1433 delivers comprehensive information for this technically demanding waterway:
Cornwall & Massena Approaches: Features high-resolution depth soundings and bathymetry for the waters surrounding the Port of Cornwall and the industrial waterfront of Massena, NY.
Shipping Channel Mastery: Detailed mapping of the Seaway channel, including the technical turns and current patterns essential for deep-draft commercial vessels and long-distance cruisers.
International Border Clarity: Clearly marks the official boundary lines between Canada and the United States, assisting mariners with regulatory compliance and safe passage through shared waters.
Aids to Navigation: Explicitly identifies range lights, buoys, and lighthouses necessary for maintaining a safe course through the islands and shoals of the Upper St. Lawrence.
Beyond its functional use on the bridge, this chart serves as a sophisticated piece of maritime history and art.
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 Border Region Gift: An ideal memento for sailors, residents of Cornwall, Akwesasne, or Massena, or anyone fascinated by the engineering of the St. Lawrence Seaway.
| Feature | Details |
| Chart Number | 1433 |
| Location | Île St-Régis to Croil Islands (ON / QC / NY) |
| Scale | 1:25,000 |
| Key Areas | Cornwall, Massena, St. Regis, Croil Islands |
| Data Type | Hydrographic (Depths, Channels, Navigational Aids) |
| Publisher | Canadian Hydrographic Service (CHS) Standards |