LAKE WASHINGTON SHIP CANAL

waterway, Washington state, U.S., 8 miles (13 km) long, with a minimum depth of 28.5 feet (8.7 m), connecting Shilshole Bay (Puget Sound) in the state of Washington with Lake Washington, passing through Lake Union, Portage Bay, and Union Bay. The locks near the west end of the canal, which overcome the difference of 26 feet (8 m) between water levels, accommodate ships up to 760 feet (230 m) long.