SS Algoma

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Canadian Red Ensign 1868-1921.svg
Name: Algoma
Operator: Canadian Pacific Railway Company
Builder: Aitken & Mansell
Launched: July 31, 1883
Out of service: November 7, 1885
Fate: Sank off the shore of Isle Royale in Lake Superior
General characteristics
Type: Screw steamer
Tonnage: 1773 tons
Length: 262 feet
Beam: 38 feet
Depth: 23 feet
Notes: Official #85766
SS Algoma is located in Michigan
SS Algoma
SS Algoma is located in the US
SS Algoma
Location Southeast shore of Mott Island, Isle Royale National Park, Michigan[2]
Coordinates 48°6′41″N 88°31′55″W / 48.11139°N 88.53194°W / 48.11139; -88.53194Coordinates: 48°6′41″N 88°31′55″W / 48.11139°N 88.53194°W / 48.11139; -88.53194
Area 45.7 acres (18.5 ha)
Built 1883
Architect Aitken & Mansell
Architectural style Screw Steamer
MPS Shipwrecks of Isle Royale National Park TR
NRHP Reference # 84001699[1]
Added to NRHP June 14, 1984

The Algoma was a steamer built in 1883; it sank off the shore of Mott Island near Isle Royale in Lake Superior in 1885 and the remains are still on the lake bottom. The wreck was placed on the National Register of Historic Places in 1984.[1]


The Algoma (Official #85766) was built in 1883 by Aitken & Mansell in Glasgow, Scotland, for use by the Canadian Pacific Railway Company.[3] The Algoma was 262 feet long, with a 38-foot beam, a depth of 23 feet,[3][4] and measured 1750 tons as originally built.[5] It was powered by a compound steam engine driving a screw, and had two masts in case of an engine breakdown.[5] The ship was designed to accommodate 240 first-class passengers and 500 in steerage.[5]

Canadian Pacific ordered three ships from Aitken & Mansell: the Athabasca, launched on July 3, 1883; the Alberta, launched on July 12, and the Algoma, launched on July 31.[5] The three ships were identical.[5] The company intended to use the ship as a passenger vessel on the Great Lakes,[6] running from Thunder Bay on Lake Superior to Owen Sound on Lake Huron.[5] The Alberta and Algoma sailed from Glasgow, Scotland on September 25, taking 13 days to cross the Atlantic and arrive in Montreal, Quebec.[5] However, ships of the Algoma's size were too long to pass through the Welland Canal, so the Algoma was cut in half, with the bow and stern moved through the canal separately on pontoons.[3][5] The ship was rejoined in Buffalo, New York, and cabins were added,[3] increasing the tonnage to 1773 tons.[7] Additional work was done on the cabins during the winter of 1883–1884, including the installation of electric lighting; the Algoma and its sister ships were probably the first Great Lakes ships to be electrified.[5] The newly outfitted Algoma, costing a total of $450,000 to build,[7] was relaunched on May 11, 1884.[3]

The three Canadian Pacific steamers immediately set time records for their runs.[5] The Algoma clocked 39 hours, 42 minutes on the run between Owen Sound and Thunder Bay, and journeyed from Toronto to Thunder Bay in the "unprecidented short time of 47 hours."[5] There was some concern that the new steamers were disregarding safety to minimize their run times; indeed, the Alberta was involved in a collision in July 1884 near Whitefish Point which resulted in the loss of three lives.[5]

Wreck of the Algoma[edit]

Wreck of the Algoma

On November 5, 1885, the Algoma left Owen Sound for Thunder Bay, carrying general merchandise, railway supplies, and 37 passengers, the fewest it had ever carried.[5] likely attributable to the lateness of the season and the recent opening of a rail route around Lake Superior.[5] The ship passed into Lake Superior on November 6; when it was about halfway across the lake it ran into a blinding snowstorm.[5] The sails were set to stabilize the ship, but it drifted off-course.[5] At about 4 am on the morning of November 7, the captain ordered the sails lowered and changed course.[5] At 4:40 am, shortly after resuming steam power, the Algoma ran aground on the southeast shore of Mott Island off Isle Royale.[3]

The ship was grounded so that the waves pummeled the bow section.[5] At about 6 am,[5] the ship broke in two, with the stern grounded on the shore and the bow drifting off.[3] Many of the passengers and crew were swept away, but three people made it to shore (only 50 feet away) and another 11 remained in the bow section of the ship until the morning of November 8, when the storm abated.[5] The survivors all got to shore on November 8, and stayed that night with a party of fishermen.[5] On November 9, the Athabasca was intercepted and the survivors were taken on to Thunder Bay.[5]

The Algoma wreck

Forty-six people died in the wreck of the Algoma; there were 14 survivors, including two passengers, 11 crewmen and the captain.[3][5] A search party returned to Isle Royale on November 10, but found only two bodies; more bodies and cargo were located in the subsequent months.[5] The force of the storm was such that nearly all the cargo was smashed; only portions of some bodies were found as the waves had "dashed them to pieces against the rocks", and some hull sections were completely flattened.[5]

The wreck of the Algoma was the worst loss of life in the history of Lake Superior shipping.[5]

Much of the stern of the ship was salvaged in 1886, and much of the bow was either salvaged or drifted away.[3] The engine from the ship was used in the passenger steamer Manitoba, launched in 1889; the Manitoba was used for 60 years on the Great Lakes before decommissioning.[5] An additional salvage operation was carried out in 1903.[5]

The wreck today[edit]

The remaining wreckage is widely scattered in 15 to 100 feet of water, and some portions of the stern are all that remain on the site.[4] The wreckage near shore is primarily distributed in three fields, 100 feet apart.[5] Various pieces of the ship's equipment, including pieces of a mast, pipes, valves, and davits are visible, as well as passenger artifacts.[3] Much of the wreckage is in relatively shallow water, and lake action regularly rearranges the artifacts visible.[3] A few pieces of wreckage have been located far offshore in deeper water; these may be from the missing bow section.[5] The Algoma is the least-visited wreck in the Isle Royal National Park, with approximately 10 dives in 2009 out of 1062 dives made to wrecks in the park.[8]


  1. ^ a b National Park Service (2009-03-13). "National Register Information System". National Register of Historic Places. National Park Service. 
  2. ^ The wreck is listed as "address restricted", but Isle Royale National Park permits public dives and publishes the location of the wreck. Coordinate location is per "The Wrecks of Isle Royale". Black Dog Diving. Retrieved December 12, 2010. 
  3. ^ a b c d e f g h i j k "Algoma Shipwreck". Superior Shipwrecks. Retrieved December 13, 2010. 
  4. ^ a b "Scuba Diving". Isle Royal National Park, National Park Service. Retrieved December 10, 2010. 
  5. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad Daniel Lenihan; Toni Carrell; Thom Holden; C. Patrick Labadie; Larry Murphy; Ken Vrana (1987), Daniel Lenihan, ed., Submerged Cultural Resources Study: Isle Royale National Park (PDF), Southwest Cultural Resources Center, pp. 80–103, 254–258 
  6. ^ Toni Carrell (September 1983), NATIONAL REGISTER OF HISTORIC PLACES INVENTORY – NOMINATION FORM: Shipwrecks of Isle Royale National Park Thematic Group (PDF) 
  7. ^ a b "Algoma Shipwreck". Retrieved December 16, 2010. 
  8. ^ Pete Sweger (2010), "A Diver's Experience" (PDF), The Greenstone 2010, p. 9 

Further reading[edit]