Built in 1917, the Ballard locks connect Lake Washington to the Puget Sound, via Lake Union. Much of the Alaskan fishing fleet can be seen here in the offseason.
These locks provide passage for boats transiting between Puget Sound and the fresh water estuary of Seattle's Lake Washington. In the autumn the lock's adjacent ladders fill with migrating salmon that are swimming in from the ocean to their headwaters to spawn.
Seattle, Washington, US
Discovered by Alan Smithee
on 10 November 2007.
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