Near Iceberg Lake
A view of Mount Wilbur from the Iceberg Lake / Ptarmigan Tunnel Trail.
Near Iceberg Lake
Near Iceberg Lake
Near Iceberg Lake
Near Iceberg Lake

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Hike Route

Iceberg Lake

4.8 (83 Ratings)
An out-and-back hike to Iceberg Lake with ample opportunity to see a variety of Glacier's megafauna!
9.6
mi
Distance
1,719
ft
Gain
moderate
Difficulty
BirdingFall ColorsLakeRiver/CreekSpringViewsWaterfallWildflowersWildlife
Access Issues
The road past Many Glacier Hotel at the T-intersection closed due to construction. Construction began in the fall of 2024 and will continue through mid-May 2026. Please use Ptarmigan Trail - Altyn/Henkel Connector to access trails.https://www.nps.gov/glac/planyourvisit/mg-construction-2025.htm

Route Details

Flatter
Steeper
9.62mi
Distance
1,719ft
Elevation Gain
1,719ft
Elevation Loss
40%
Max Grade
6,169ft
High Point
4,959ft
Low Point
Path Type
There and Back
Description
To access this route, take the Many Glacier Road to the Swiftcurrent Motor Inn parking area. Turn right just after the inn and follow the road to the Iceberg Lake/Ptarmigan Tunnel trailhead. (Parking at the trailhead is limited, so you may have to park at the Swiftcurrent Motor Inn parking lot and follow the road to the trailhead on foot).Although the first two-tenths of a mile climb at a fairly steep grade, the trail quickly flattens out, becoming a nice, gradual incline taking you to broad meadows. Keep an eye on the meadows along the slopes above and below the trail, as this area is frequented by bighorn sheep and grizzlies. Occasionally you can see mountain goats in the rockier cliffs higher up. The trail heads into the forest with scattered views as you go by Ptarmigan Falls at mile 2.6, which you can see through the vegetation. Beyond the waterfall, continue past the Ptarmigan Tunnel Trail which breaks off to the right, to the Iceberg Lake Trail.From here, the trail eventually breaks out of the trees and heads through avalanche chutes and meadows. Wilbur Creek creates a waterfall at the head of the drainage and flows below the trail. As you head into the basin, you pass a beautiful small pond surrounded by flowering meadows in early to mid-summer. Continue on over the rise. As you drop towards the towering rock walls, Iceberg Lake becomes visible. In the cooler, earlier months much of the lake is frozen, with scattered icebergs throughout.As summer months begin to get warmer, the icebergs will separate and float freely on the top of the water. During rare years with higher-than-normal temperatures, the icebergs can become completely melted.From Iceberg Lake, head back the way you came to your vehicle.This content was created by Jake Bramante of Hike 734. Visit https://www.hike734.com for more expert Glacier content and maps that help you decide which trail to hike.
History & Background
The beginning of the trail is very steep compared to the rest of the trail as this is a cutoff trail. The trail originally started at the Many Glacier Hotel. While that trail still exists, it is closed much of the season for bears to forage for the abundant food sources in that area.

Route Conditions

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Contributors
Kevin Murray