3933 - Portland Canal & Observatory Inlet Nautical Chart

The Grand Fjord Passage: 3933 - Portland Canal & Observatory Inlet

Navigate one of the world's longest fjords with the professional authority of the Canadian Hydrographic Service (CHS). Chart 3933 is the definitive 1:80,000 scale "road map" for mariners, providing the high-resolution data required for safe passage through the dramatic waters of Portland Canal and the branching reaches of Observatory Inlet.

Precision for International Transit and Historic Hubs

This region is a unique maritime corridor where the rugged beauty of the Great Bear Rainforest meets the Alaskan Panhandle. CHS Chart 3933 provides the "ground-truth" data required for safe pilotage:

• International Boundary Detail: Clearly marks the border between Canada and the United States, providing essential situational awareness for vessels transiting the Portland Canal and Pearse Canal.

• Observatory Inlet & Branching Arms: Detailed bathymetry for the 50km stretch of Observatory Inlet, including its primary branches: Alice Arm and Hastings Arm.

• Strategic Industrial Navigation: Provides the resolution necessary to approach the historic mining sites of Anyox and the deep-water access points for the communities of Stewart, BC and Hyder, Alaska.

• Nass River Estuary Approaches: Covers the transition from Portland Inlet into Nass Bay, identifying the sills and tidal hazards at the mouth of the significant Nass River system.

The Professional Standard for Northern Frontier Safety

As the primary navigational resource for commercial ships, tug and barge operations, and wilderness cruisers, the reliability of Chart 3933 is paramount. Specifically designed to meet the rigorous requirements of marine navigation, this official CHS chart delivers the accuracy and detail needed to navigate these remote northern waters with total confidence.