Yukon (), still commonly referred to as "The Yukon Territory", is the westernmost of Canada's three northern territories. It was named after the Yukon River, Yukon meaning "Great River" in Gwich?in. A person from Yukon is called a Yukoner.At 5,959 m (19,551 ft), Yukon's Mount Logan, in Kluane National Park and Reserve, is the highest mountain in Canada and the second highest of North America (after Mount McKinley).
Long before the arrival of Europeans, central and northern Yukon escaped glaciation as it was part of Beringia (Bering land bridge). Remains of human inhabitation were found near Old Crow appearing to be the oldest in North America. Around 800 AD, the volcanic eruption of Mount Churchill near the Alaska border blanketed southern Yukon with a layer of ash which can still be seen along the Klondike Highway. Coastal and interior First Nations already had extensive trading networks and European incursions into the area only began early in the 19th century with the fur