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About Thunder Bay
Thunder Bay lies at the far northwestern point of the Great Lakes of North America. It is a transportation bridge between the rich agricultural Prairies of Canada and the rest of the world, via the Great Lakes and Saint Lawrence Seaway which connects it to the Atlantic Ocean. In 2021, it had a population of approximately 109,000.
Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-10-22. Some links earn Stayonomy a commission at no cost to you.