Hiking Highlight
Recommended by 8 hikers
This Highlight is in a protected area
Please check local regulations for: Waterton Lakes National Park
Routes leading to this Highlight may be dangerous
Routes may comprise technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.
Getting to and through the tunnel is the most thrilling and most dangerous part of the trek. The path is really narrow, as you hike along the edge of a steep abyss, but it's just a small part of the trail.
August 23, 2016
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