Lake Washington Ship Canal
Lake Washington Ship Canal, Waterway system in Seattle, United States.
The Lake Washington Ship Canal stretches through Seattle, connecting Lake Washington with Puget Sound through a series of waterways and locks.
Construction of the canal began in 1911 after decades of planning, with engineer Hiram Chittenden designing the waterway system that opened on July 4, 1917.
The canal transformed Seattle's maritime infrastructure, enabling vessels to navigate between fresh and salt water through the Hiram M. Chittenden Locks.
Multiple drawbridges span the canal, requiring boat operators to contact bridge control on channel 13 for passage through the waterway system.
The canal's construction lowered Lake Washington by nine feet while converting Salmon Bay from a tidal inlet into a freshwater reservoir.
Location: Seattle
Architects: Bebb and Gould
GPS coordinates: 47.65601,-122.36714
Latest update: May 27, 2025 13:28
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