4453 - Île à la Brume to Pointe Curlew (Quebec North Shore)

Navigate the rugged and remote Basse-Côte-Nord with the Canadian Hydrographic Service (CHS) Nautical Chart 4453. This essential coastal chart provides detailed coverage of the North Shore of the Gulf of St. Lawrence, spanning from Île à la Brume to Pointe Curlew, Quebec.Mapped at a medium 1:70,000 scale, Chart 4453 is the primary navigational tool for mariners transiting the intricate island chains and granite-hewn coastline of the eastern Mingan Archipelago region.

As an official CHS publication, this chart is engineered for the precision required in technically demanding environments.It features comprehensive bathymetric soundings (in metres) and meticulous seafloor detailing, which are critical for navigating the numerous rocks, shoals, and islands that characterize this remote maritime corridor. The chart provides accurate positioning for all major navigation aids and coastal beacons, ensuring safe passage through areas affected by strong tidal variations and unpredictable weather. Updated to the latest Notice to Mariners (NTM), Chart 4453 is a mandatory resource for commercial vessels, fishing fleets, and experienced recreational sailors exploring the wild beauty of Quebec's North Shore.

Technical Specifications

• Chart Number: 4453

• Scale: 1:70,000

• Region: Gulf of St. Lawrence (North Shore / Côte-Nord, Quebec)

• Coverage: Île à la Brume, Baie du Milieu, the various offshore island clusters, and the coastline east toward Pointe Curlew.

• Dimensions: Approximately 33" x 47" (Standard large format).

• Format: Printed on heavy-duty kraft paper; meets official carriage requirements for vessels in Canadian waters.

Key Navigation Features

• Coastal Transit Precision: Specialized 1:70,000 scale data for navigating the gap between the open Gulf and the hazardous inner island passages.

• Bathymetric Accuracy: Features high-density depth contours and spot soundings (in metres) to assist in identifying safe channels through rocky shoals.

• Aids to Navigation: Precise locations and characteristics for all coastal lights and daymarks essential for visual navigation in remote areas.

• Safety Information: Clearly identifies submerged obstructions, shipwrecks, and magnetic anomalies common along the North Shore.