3964 - Tuck Inlet Nautical Chart

The Border Fjord: 3964 - Portland Canal & Observatory Inlet

Navigate the northernmost reaches of British Columbia’s coast with the professional authority of the Canadian Hydrographic Service (CHS). Chart 3964 is the definitive 1:40,000 scale navigational guide for the Portland Canal and Observatory Inlet, providing the critical data required to transit the deep, glacier-carved waterways that define the international boundary between Canada and Alaska.

Precision for Industrial Hubs and Wilderness Frontiers

This region is home to extreme depths, historic mining sites, and the bustling port of Stewart. CHS Chart 3964 provides the "ground-truth" data required for safe pilotage:

• Portland Canal to Stewart: Features high-resolution mapping for the entire length of the canal, ensuring safe passage for commercial vessels and cruisers heading to Stewart, BC, and Hyder, Alaska.

• Observatory Inlet & Alice Arm: Detailed bathymetry for the remote reaches of Alice Arm and Hastings Arm, including the approaches to the historic ghost town of Anyox.

• The International Boundary: Clearly marks the maritime border between the United States (Alaska) and Canada, essential for legal compliance and navigational situational awareness.

• Deep-Water Intelligence: Explicitly details the underwater profiles of these massive fjords, identifying the rare shoals and the specific navigation lights required for safe night transits.

The Professional Standard for Far North Safety

As the primary navigational resource for vessels supporting the mining, forestry, and tourism industries of the far North Coast, the reliability of Chart 3964 is paramount. Specifically designed to meet the rigorous requirements of marine navigation, this official CHS chart delivers the accuracy and detail needed to explore the Portland Canal with total confidence.