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.