DEFINITION OF MOUNT LOGAN

The highest mountain in Canada and second

highest mountain in North America, Mount Logan rises

to 19,850 feet (6,054 m) above a huge tableland in the

Wrangell–St. Elias Mountains of the southwest Yukon Territories,

just east of Alaska. The mountain is composed predominantly

of granodiorite and is being actively uplifted. The

mountain is located in the most heavily glaciated region of

North America, with many mountain and valley glaciers

feeding tidewater and large trunk glaciers. Logan is situated

in Kluane National Park Reserve, west of Whitehorse and

less than 60 miles (100 km) from the coast. The mountain is

covered by thick snow and ice that in places is about 1,000

feet (300 m) deep and at least several thousand years old. The

climate has been cold and extreme on Mount Logan since

well before the last Pleistocene glaciation, and it is possible

that some of the ice is even several millions of years old.

Mount Logan was named in 1890 by I. C. Russell of the

U.S. Geographical Survey after Sir William Edmond Logan

(1798–1875), who founded the Geological Survey of Canada

in 1842. However, in October of 2000, Pierre Chretien, the

prime minister of Canada, proposed renaming the mountain

Mount Trudeau, after former prime minister Pierre Trudeau.

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