Tunnel Mountain 1,692 m (5,551 ft) is located in the Bow River Valley of Banff National Park in Alberta, Canada.
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The mountain is nearly completely encircled by the town of Banff and the Banff Springs Hotel grounds.
Climbing Tunnel is super popular year round as the trail is well graded. In winter many folks bring hiking poles and ice cleats as there are slippery and icy sections.
4.3 km (3 mi) round-trip.
You’ll often see Elk on the way up as I did.
related – Banff’s Tunnel Mountain Hike is Wonderful in Winter
besthike.com 