Mount McArthur is a mountain located in Yoho National Park, British Columbia, Canada.

[1] Based on the Köppen climate classification, this mountain is located in a subarctic climate zone with cold, snowy winters, and mild summers.

[4] Winter temperatures can drop below −20 °C with wind chill factors below −30 °C.

The peak is composed of sedimentary rock laid down during the Precambrian to Jurassic periods.

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