6413 - McGern Island to Wrigley River | Mackenzie River Nautical Map

The Canadian Hydrographic Service (CHS) Chart 6413 is an official, government-authorized river navigation chart engineered for commercial tug and barge captains, supply fleets, northern pilots, and river paddlers. This indispensable hydrographic publication covers Kilometres 510 to 580 of the Mackenzie River waterway, mapping the critical shipping route from McGern Island to the Wrigley River in Canada's Northwest Territories.

Key Features & Hydrographic Data Included:

• Mackenzie River Corridor Charting: Provides seamless, high-precision coverage of main river channels, bank contours, and island passages between McGern Island and the mouth of the Wrigley River.

• Official Riverine Bathymetry: Features accurate localized depth soundings, channel flow vectors, low-water datum levels, and essential hazard markers for shallow bars, rocks, and fast currents.

• Essential Aids to Navigation: Explicitly details official Canadian Coast Guard river buoys, range markers, daybeacons, compass roses, and shore-based landmark references for safe piloting.

• High-Contrast Multi-Light Legibility: Printed with premium, high-contrast marine inks specifically formulated to remain clear and easily readable in direct subarctic sunlight or low-light wheelhouse conditions.

• Official Marine Compliance: Fully satisfies mandatory vessel carriage regulations and Canada Shipping Act requirements for commercial transport and resource vessels operating on the Mackenzie River.