Mentor – Lake Superior Tug Shipwreck (1918)

Explore the wreck of the Mentor, a wooden tug destroyed by the Cloquet-Duluth Forest Fire in 1918, highlighting the vulnerability of maritime infrastructure.

wrecked 7 sources on file
WaterbodyLake Michigan
Loss year1918
Vessel typeTugboat
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Shotline Diving Wreck Profile

  • Name: Mentor
  • Type: Wooden tug
  • Year Built: circa 1880s
  • Builder:
  • Dimensions: Length X ft (Y m); Beam; Depth of hold
  • Registered Tonnage:
  • Location: Grassy Point, Duluth, Minnesota
  • Official Number: 145xxx
  • Original Owners: Northern Dock & Dredge Company

Wreck Location Map

Vessel Type

Wooden tug operated by Northern Dock & Dredge Company, primarily engaged in dock and dredge operations on Lake Superior.

Description

The Mentor was a wooden tug that played a crucial role in the maritime operations of Duluth–Superior. It was tied up at Grassy Point when it was destroyed.

History

Built in the 1880s, the Mentor served the Northern Dock & Dredge Company, contributing to the dock and dredge operations in the region until its destruction in 1918.

Significant Incidents

  • On 12 October 1918, the Cloquet–Duluth Forest Fire swept into Lake Superior’s shores, with winds reaching 65–76 mph, burning over 250,000 acres.
  • The Mentor was tied up at Grassy Point when the fire engulfed the docks, leading to its complete destruction.
  • No casualties were reported among crew or harbor personnel during the incident.

Final Disposition

The Mentor was declared a total loss after being burned to the waterline during the Cloquet–Duluth Forest Fire, marking a significant event in maritime history.

Current Condition & Accessibility

The wreck of the Mentor is not accessible for diving due to its destruction by fire and the nature of the incident.

Resources & Links

[shotline_reference_links slug=”mentor-1868″ title=”References & Links”]

The loss of the Mentor during the Cloquet–Duluth Forest Fire underscores the vulnerability of wooden vessels and dockside infrastructure in the face of natural disasters.

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Full Wreck Record — complete historical article, construction details, voyage logs, incident reports, dive conditions, and all research sources.

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