Locking Through Time

It’s a surreal experience to paddle a sea kayak into an imposing concrete, steel-clad chamber and feel the water level slowly rising beneath your boat. On a sunny July day, I’m retracing the upper St. Lawrence Seaway, paddling the St. Mary’s River through downtown Sault Ste. Marie and locking through to Lake Superior.

Curious bystanders watched me call the lockmaster by marine radio, and when the sturdy lock gates folded open and I paddled into the 255-foot lock, even more gathered to snap photos of a bizarre scene: A man in a diminutive craft floating in the placid waters of an engineering feat and a stalwart symbol of self-sufficiency in Canada’s youth. The tumultuous St. Mary’s Rapids were an impediment to early travellers between Great Lakes Huron and Superior.

locks

At the height of the fur trade in 1798, the Northwest Company built a rudimentary canoe lock to bypass the rapids on the Canadian shore of the river; and by 1855, the Americans had constructed a lock on the south side of the river to enable the passage of sailing and steam-powered vessels around St. Mary’s 22-foot vertical drop.

Efforts to develop a Canadian canal were sparked in 1870, when the U.S. turned back the Chicora, a Canadian military vessel en route west to quell the Louis Riel rebellion. After weeks of negotiating, the Americans allowed the Chicora to lock through – provided its military cargo was emptied and painstakingly portaged around the rapids on the Canadian side. Clearly, Canada needed self-sufficiency in navigating the international waters of the St. Mary’s River.

Locks- History

The monumental task of building a Canadian lock began in 1889, with workers blasting through sandstone bedrock to cut a 2.2-kilometre-long canal. Limestone was imported from Windsor and Manitoulin Island to line the lock walls and foundries in Owen Sound, Welland, Toronto and Montreal supplied cast-iron valves and precision-cut machinery for the lock gates. The original lock chamber was the longest in the world, measuring 900 by 60 feet.

Finally, the so-called “All-Canadian Waterway” from the Atlantic Ocean to the head of the Great Lakes was completed in 1895. This 3,500-kilometre- long transportation corridor “facilitated the shipping of raw materials including grain, coal and the iron ore necessary for steel production,” says Parks Canada interpreter Jeanette Cowen.
“It played a crucial role in the early industrialization of Sault Ste. Marie.”

Floating in the lock feels like riding an aquatic elevator. It takes about 10 minutes for water levels to adjust – scarcely enough time to consider the marvels of engineering that went into the canal’s construction. I try to picture the dozens of openings on the floor of the canal releasing water into the sealed chamber, raising the level inside the lock with little sign of turbulence on the surface. Four valves at each end of the lock were once powered by hydroelectricity generated on-site, an engineering first. Meanwhile, a massive steel dam looms just upstream – once a sentinel ready to be deployed in case of an emergency.

This structure saved the lock in 1909, when a miscommunication between a ship’s engineer and captain resulted in a collision that breached the downstream gates, releasing a torrent of water that was promptly abated by the emergency swing dam. This type of swing dam was one of nine ever built; the first built on the Panama Canal in Central America, and is “preserved today as an example of 19th century technology,” says Cowen.

After eight decades of service, the lock was transferred to Parks Canada in 1979. The Sault Ste. Marie Canal National Historic Site of Canada has a mandate to educate the public about its historical and cultural significance. Inside the original administration building, which was constructed from sandstone blocks quarried on-site, displays demonstrating the inner workings of the lock form the core of Parks Canada’s visitor centre. Maps show the location of the canal in Sault Ste. Marie and the St. Lawrence Seaway, and historical photographs capture the hardships of the construction project. Commercial ships now transit the larger American locks, while the Canadian lock has been refurbished for pleasure craft – including powerboats, sailboats and canoes and kayaks – to use in the summer months.


The park-like atmosphere of the grounds belie its industrial past, with towering hardwood trees, gardens, paved pathways and sweeping lawns making it a popular place for picnics. The Superintendent’s Residence, a stately Victorian with lofty ceilings, fireplaces, hardwood floors and separate servants’ quarters, provides a taste of the upper-crust lifestyle of the canal’s lead hand. A narrow walk across the lock gates offers access to the trails of South St. Mary’s Island, Whitefish Island, and the St. Mary’s Rapids – oases of forest, lagoons and rushing water in the heart of the city.

Cowen lists the unique architecture and spectacular view of the Sault Ste. Marie waterfront as her canal favourites. “Given its historical significance and enduring popularityas a destination,” she says, “it truly represents a cornerstone of our community.”

Conor Mihell is an award-winning environmental and adventure travel writer based in Sault Ste. Marie. Read his work in the Globe and Mail, explore, Cottage Life, Canoe & Kayak, ON Nature and other magazines and newspapers.

Website: conormihell.com/writing/

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Bon Soo Winter Carnival02/07/2014 12:00:00 AM02/16/2014 12:00:00 AM
Shadows of the Mind Film Festival02/26/2014 12:00:00 AM03/04/2014 12:00:00 AM
Mistletoe and Holly12/20/2013 07:30:00 PM12/20/2013 12:00:00 AM
Group of Seven Awkward Moments11/17/2013 09:00:00 AM01/04/2014 12:00:00 AM
Ice Fishing Derby with Professional Angler Robert Laframboise03/09/2014 12:00:00 AM12/31/1969 07:00:00 PM
Dora the Explorer Live!12/18/2013 12:00:00 AM12/31/1969 07:00:00 PM
ELVIS "1st Diamond Jim Mem Tim E Yes Men"03/08/2014 07:00:00 AM03/08/2014 10:00:00 AM
Lilac & Lavender Festival05/31/2014 12:00:00 AM06/01/2014 12:00:00 AM
Musicfest XX: Bratwurst, Beer & Heethoven06/08/2014 12:00:00 AM06/08/2014 12:00:00 AM
The Great Tugboat Race06/26/2014 12:00:00 AM06/30/2014 12:00:00 AM
Lobsterfest06/27/2014 12:00:00 AM06/27/2014 12:00:00 AM
Interntional Bridge Walk06/28/2014 12:00:00 AM06/28/2014 12:00:00 AM
Group of Seven in Algoma10/02/2014 12:00:00 AM10/26/2014 12:00:00 AM
Carlos Núñez10/03/2014 08:00:00 PM10/03/2014 10:00:00 PM
Nuit Blanche10/04/2014 07:00:00 PM10/04/2014 10:00:00 PM
Ron James10/09/2014 08:00:00 PM10/09/2014 10:00:00 PM
Randy Bachman’s Vinyl Tap Tour10/14/2014 08:00:00 PM10/14/2014 10:00:00 PM
Redefining our Defiant Spirits10/18/2014 02:00:00 PM10/18/2014 04:00:00 PM
A Novel Dinner10/18/2014 06:30:00 PM10/18/2014 08:30:00 PM
Chef Michael Smith: East Coast Kitchen Party10/24/2014 08:00:00 PM10/24/2014 10:00:00 PM
Chef Michael Smith talks Family Meals10/25/2014 01:00:00 PM10/25/2014 03:00:00 PM
The Beaton Family of Mabou10/25/2014 08:00:00 PM10/25/2014 10:00:00 PM
Cirque Du Soleil Dralion10/29/2014 07:30:00 PM10/29/2014 10:00:00 PM
Brad Paisley11/13/2014 06:30:00 PM11/13/2014 10:30:00 PM
The Grand Slam of Curling National11/19/2014 12:00:00 AM09/23/2014 12:00:00 AM
The Muddy Moose Charge09/13/2014 09:00:00 AM12/31/1969 07:00:00 PM
50 Years of the Beatles - Revolver09/13/2014 08:00:00 PM12/31/1969 07:00:00 PM
Brahms Piano Hour09/14/2014 03:00:00 PM09/14/2014 04:00:00 PM
Group of Seven Train Event09/19/2014 12:00:00 AM09/21/2014 12:00:00 AM
19th Annual Bushplane Days Festival09/19/2014 12:00:00 AM09/21/2014 12:00:00 AM
Yuk Yuks-Pasta and Laughter09/19/2014 05:30:00 PM09/19/2014 09:00:00 PM
Searchmont Music Festival09/19/2014 06:00:00 PM09/20/2014 05:00:00 PM
Music, Magic & Mayhem09/19/2014 08:00:00 PM09/19/2014 10:30:00 PM
Sylvan Circle Tour09/20/2014 09:00:00 AM09/20/2014 05:00:00 PM
Dinner & Comedy Show09/20/2014 06:00:00 PM09/20/2014 09:00:00 PM
Travis Tritt09/18/2014 07:00:00 PM09/18/2014 10:00:00 PM
George Canyon "Decade of Hits" Tour09/26/2014 08:00:00 PM09/26/2014 10:30:00 PM
A Night in Old Vienna09/27/2014 08:00:00 PM09/27/2014 11:00:00 PM
Stuart Mclean and the Vinyl Cafe Live10/05/2014 03:00:00 PM10/05/2014 05:00:00 PM
Ziggy Marley - Fly Rasta Tour10/06/2014 07:30:00 PM10/06/2014 09:30:00 PM
Maestro Ustad Shafaat Khan – Music From India10/09/2014 07:30:00 PM10/09/2014 09:00:00 PM
2nd Annual Java Jamboree, Coffee Tasting Festival10/18/2014 12:00:00 AM10/18/2014 12:00:00 AM
All Hallow's Eve Sault Ste. Marie Premier10/23/2014 07:00:00 PM10/23/2014 09:00:00 PM
Gob at the Rockstar10/29/2014 07:00:00 PM10/29/2014 09:00:00 PM
Toopy and Binoo: Fun and Games11/03/2014 06:30:00 PM11/03/2014 08:00:00 PM
The Energy Opportunities Conference11/04/2014 02:00:00 PM11/06/2014 12:00:00 AM