MacKay coalfield

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| name = MacKay coalfield

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| state/province = Alberta

| country = Canada

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| products = Coal

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The MacKay is a large coal field located in the western part of Canada in Alberta. MacKay represents one of the largest coal reserve in Canada having estimated reserves of 403 billion tonnes of coal.{{cite web|url=http://eipa.alberta.ca/media/43006/alberta_2_trillion_tonnes_coal.pdf|title=Ardley coal deposit|year=2012|publisher=alberta.ca|accessdate=2013-07-23|archive-url=https://web.archive.org/web/20130913051934/http://eipa.alberta.ca/media/43006/alberta_2_trillion_tonnes_coal.pdf|archive-date=2013-09-13|url-status=dead}}