A National Historic Site, busiest locks in the Nation and major tourist
   attraction, operated by the U.S. Army Corps of Engineers.

   

Open daily 24/7 for vessels, 7:00 am to 9:00 pm for visitors:
      - Watch large ships & small boats up close and personal

      - View migrating salmon from June through September

      - Tour the visitor center/museum and historic admin building

      - Stroll the world class botanical garden

      - Other activities include summer concerts, picnics and weddings.