Frontiers North (as well as its beluga whale experience) offers a polar bear conservation journey during the autumn. Guests will meet a Polar Bears International scientist and get access to the Wildlife Management Area, where the season's highest concentration of polar bears can be found.

Sub-Arctic Tours specialises in intimate small-group tours, and Wat'chee Expeditions operates a lodge 40 miles (64km) south of Churchill that is open only for a short period every year – encounters with polar bear cubs and mums are said to be "virtually guaranteed” here.

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Canada’s amazing wildlife experiences