As a result of often uncertain weather, large tidal range, fast or unpredictable currents, and infrequent safe anchorages, navigating the Inside Passage can be difficult.
During the Klondike Gold Rush the passage was one of the sea routes from Seattle and California, carrying American prospectors northward.
Today, approximately 36,000 recreational cruising boats utilize portions of the Inside Passage route.
[3][better source needed] The nonprofit Marine Exchange of Alaska plots and follows vessel traffic in the Alaskan section of the Inside Passage.
Starting from the southernmost point of Budd Inlet, the waterway turns toward the northeast and broadens as it becomes the Nisqually Reach of Puget Sound.
The waterway then continues northeast, through the Tacoma Narrows, northward toward the San Juan Islands just southeast of the border with Canada.
British Columbia's 1,125 km (700 mi) portion of the route includes the wide, protected Strait of Georgia between Vancouver Island and the B.C.
While the Alexander Archipelago in Alaska provides some protection from the Pacific Ocean weather, much of the area experiences strong semi-diurnal tides.
The coastal mountain ranges and islands offer wildlife viewing and opportunities for boating, fishing, kayaking, camping and hiking.
Accordingly, on June 15, 1994, Canada imposed a transit fee on all US commercial fishing boats using the Canadian Inside Passage.