What is the Longest River in Alberta?
Exploring the Athabasca River: Alberta’s Longest Waterway The Athabasca River holds the distinction of being the longest river in Alberta, stretching over 1,538 kilometers (km). Originating from the glaciers of the Columbia Icefield in Jasper National Park, it flows northeast through diverse landscapes, eventually contributing its waters to the Arctic Ocean via the Mackenzie River…