A National Historic Site, busiest locks in the Nation and major tourist attraction...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

  - Summer activities include summer concerts, picnics and weddings.