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The Athabasca Glacier is one of the six principal 'toes' of the Columbia Icefield, located in the Canadian Rockies. The glacier currently recedes at a rate of about per year〔(MP_Mt_Athabasca_page_one )〕 and has receded more than and lost over half of its volume in the past 125 years. The glacier moves down from the icefield at a rate of several centimetres per day. Due to its close proximity to the Icefields Parkway, between the Alberta towns of Banff and Jasper, and rather easy accessibility, it is the most visited glacier in North America.〔 The leading edge of the glacier is within easy walking distance; however, travel onto the glacier is not recommended unless properly equipped. Hidden crevasses have led to the deaths of unprepared tourists. The Icefield Interpretive Centre, closed during the winter (mid-October to mid-April),〔(Columbia Icefield 2007 tour brochure )〕 stands across from the glacier. It is used as a lodge and for ticket sales for sightseeing on the glacier. Standard buses transport tourists to the glacier edge, where they board specially designed snow coaches for transport over the steep grades, snow and ice part way up the glacier. The glacier is approximately long, covers an area of , and is measured to be between thick. __NOTOC__ ==See also== *List of glaciers in Canada *Athabasca 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Athabasca Glacier」の詳細全文を読む スポンサード リンク
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