Join us on June 27, 2025 for Soo Locks Engineers Day! It’s a day full of celebration and amazement. It’s your chance to enter the Soo Locks and cross the MacArthur Lock to get up close to the freighters and learn about the Soo Locks complex. Crossings will take place 9 a.m. – 3:30 p.m.

The event is put on in partnership with the City of Sault Ste. Marie and the United States Army Corps of Engineers, we are ecstatic to help put on this special event. Beginning at 9 a.m., a section of West Portage Avenue in between Ferris Street and Gov. Osbourne Boulevard will be closed off to traffic until 4 p.m. and will feature over 50 vendors. The Soo Locks Park and observation deck will both be open from 9 a.m. until 10 p.m.

The day celebrates the engineers who built the Soo Locks along with the men and women of the past and present who maintain the Locks. The U.S. Army Corps of Engineers invites people of all ages to come explore the Soo Locks for free. Visitors are invited to stroll the Soo Locks Park, explore history in the Visitor Center and climb observation platforms as mammoth freighters ply the waters of the St. Marys River system. Be sure to stop into the Visitors Center to explore all of the new displays and test your hands at being a Lock Master.

• United States Coast Guard open house from 9 a.m. to 3:30 p.m.
• Lake Superior State University Center for Freshwater Research and Education will be open from 10 a.m. to 4 p.m.
• Hospice of the Eastern Upper Peninsula and Superior Health Systems Arts, Crafts and Family Fun Fair at the City Hall grounds from 10 a.m. to 6 p.m.
• Cloverland’s Engineers Day Touch-a-Truck will take place from 10 a.m. to 1 p.m. at the Famous Soo Locks Boat Tours dock.
• Annual BookFest will take place from 9:00 am to 3:00 pm outside of Island Books & Crafts
• Kokosing Alberici Traylor Engineers Day 5K starting at 6 p.m.
• Showing of Twisters at LSSU. Movie begins at 7:30 p.m. at the LSSU Arts Center.
• Little Sailors’ Day will provide family friendly fun where the kids ride for free on the Original Soo Locks Boat, Saturday, June 28th from 10 a.m. – 4:30 p.m.
• International Bridge Walk Saturday, June 28th starting at 9am.

If bringing a bag into the Soo Locks please note: Clear bags only and no larger than 12 inches long, 6 inches deep, and 12 inches wide will be required for entry to the Soo Lock.

Looking for a spot to park? Check the City of Sault Ste. Marie’s metered parking map. Meters accept coin and use the Passport Parking app.

Stay tuned to this page and our Facebook page for more updates on Soo Locks Day.