21. Great Divide Trail, Alderson-Carthew Trail, Canada (12 miles)Learn More
One of the hardest long-distance hikes on the planet, the Great Divide Trail traces the Continental Divide for 750-miles between Alberta and British Columbia, piercing the heart of the Canadian Rockies. A relatively easy section but still a first-class jaunt is the trail’s first leg in the Waterton Lakes National Park, a UNESCO World Heritage Site and Biosphere Reserve that shares both a boundary with Montana’s Glacier National Park and the same astounding landscape: windswept mountains, sub-alpine forests, red rock canyons, and unspoiled prairies. The route gains about 900-feet of elevation as it seesaws up a steep forested slope to the Carthew Ridge, with commanding views of the lakes and mountains, and even Montana to the west.
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