Crypt Lake Trail
Awe-inspiring and strenuous, this 17.2-km (11-mile) round-trip trail is one of the most stunning hikes in the Canadian Rockies. Conquering the trail involves taking a boat taxi across Waterton Lake, climbing 700 meters (2,300 feet), crawling through a tunnel nearly 30 meters (100 feet) long, and scrambling across a sheer rock face. The reward, and well worth it: views of a 183-meter (600-foot) cascading waterfall and the turquoise waters of Crypt Lake. This hike was completely untouched by the wildfires of recent years. Difficult.