Stretching for approximately 100 kilometers along the southern edge of Lake Athabasca, in the Canadian province of Saskatchewan, are some of the most northerly active sand dunes on Earth. Unlike most dunes, which are associated with dry and arid region, the Athabasca Sand Dunes are located in the middle of a wetland and a boreal forest, making it one of the most unique sand dunes and a geological oddity. The dunes are spread across more than 30,000 hectares, and due to their unusual ecosystem, they harbor an extraordinarily diverse biological life.
Photo credit: Hidehiro Otake
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