Athabasca Sand Dunes The Athabasca Sand Dunes in northern Saskatchewan are the largest active sand dunes in Canada and among the most northerly active dunes in the world. This ecological wonder stretches for nearly 100 km along Lake Athabasca and is home to several plant species found nowhere else on Earth! #ExploreCanada 🇨🇦 #Canada https://www.tourismsaskatchewan.com/provincialpark/1414/athabasca-sand-dunes-provincial-park#sort=relevancy