Thunder Bay is a large bay on the northern shore of Lake Superior, in Thunder Bay District, Ontario, Canada.[2] The bay is bordered to the east by the Sibley Peninsula at the southern tip of which is Thunder Cape, marking the entrance to the bay for ships approaching from the east. The mesas and sills on the peninsula are known as the Sleeping Giant due to their appearance when viewed from Thunder Bay.

Thunder Bay
Thunder Bay as seen from Sleeping Giant
Map of Ontario
Map of Ontario
Thunder Bay
LocationThunder Bay District, Ontario, Canada
Coordinates48°22′00″N 89°02′00″W / 48.3667°N 89.0333°W / 48.3667; -89.0333
TypeBay
Part ofLake Superior
Primary inflowsKaministiquia River, Current River
Max. length55 km (34 mi)[1]
Max. width24 km (15 mi)[1]
Surface elevation183 m (600 ft)
IslandsCaribou, Pie, Welcome Islands
SettlementsThunder Bay

The harbour at the City of Thunder Bay is Canada's westernmost port on the Great Lakes.[3]

The Ojibwa called it Animikie, meaning "thunder". French explorers called it Baie du Tonnerre which was translated to Thunder Bay in English.[4] In 1871, the bay gave its name to the newly created Thunder Bay District, and in 1970, the amalgamated city of Port Arthur and Fort William also adopted the name Thunder Bay.

The waters along the bay's shores form part of the Lake Superior Water Trail. This 1,000 kilometres (620 mi) long water trail is a link in the Trans Canada Trail network and provides paddlers access to the bay and facilities for travel along the coast from Gros Cap to the City of Thunder Bay.[5]

Geography

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Sleeping Giant as seen across Thunder Bay

Thunder Bay is an extensive diamond-shaped body of water surrounded by cliffs rising from 300 metres (1,000 ft) to 460 metres (1,500 ft) out of the lake. It is about 55 kilometres (34 mi) long in a northeast-southwest direction, and about 24 kilometres (15 mi) wide from northwest to southeast. Its eastern entrance is Thunder Cape, a prominent headland at the southern tip of Sibley Peninsula. Pie Island divides the mouth of the bay into 2 channels.[1][6]

Notable islands and island chains in the bay include:[1]

Rivers emptying into the bay include the:

References

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  1. ^ a b c d United States Coast Pilot - Great Lakes, Lakes Ontario, Erie, Huron, Michigan, and Superior and St. Lawrence River. Vol. 6 (27th ed.). U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey. 1997. p. 378. Retrieved 18 December 2023.   This article incorporates text from this source, which is in the public domain.
  2. ^ "Thunder Bay". Geographical Names Data Base. Natural Resources Canada. Retrieved 19 December 2024.
  3. ^ "About: The Superior Way West". www.portthunderbay.ca. Port of Thunder Bay. Retrieved 19 December 2024.
  4. ^ "History of Thunder Bay". www.thunderbay.ca. City of Thunder Bay. 30 November 2023. Retrieved 19 December 2024.
  5. ^ "Lake Superior Water Trail". superiorconservancy.org. Lake Superior Watershed Conservancy. 2024. Retrieved 19 December 2024.
  6. ^ Robert C. Ray, United States Hydrographic Office (1896). Sailing Directions for the Great Lakes and Connecting Waters (2nd ed.). U.S. Government Printing Office. p. 32. Retrieved 18 December 2023.   This article incorporates text from this source, which is in the public domain.
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