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South Teton Trail #027

Intermediate/Difficult
 5.0 (7)

A beautiful, mellow ascent to the stunning Alaska Basin & Buck Mountain Pass.


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Map Key

10.2

Miles

16.4

KM

88%

Runnable

10,337' 3,151 m

High

6,964' 2,123 m

Low

3,408' 1,039 m

Up

36' 11 m

Down

6%

Avg Grade (4°)

32%

Max Grade (18°)

Dogs Off-leash

Features Fall Colors · Lake · River/Creek · Swimming · Views · Waterfall · Wildflowers · Wildlife

Plan accordingly for any sort of alpine weather as the upper portion of this trail is exposed to the elements & well above treeline. Significant amounts of snow may linger till mid-summer.

Description

From the Teton Canyon Trailhead, follow a straight shot on trail #027 all the way to Alaska Basin & Buck Mountain Pass, on the boundary of Grand Teton National Park.

The trail largely follows the beautiful South Teton Creek into the alpine zone of Alaska Basin. Expect incredible summer wildflowers and be on the lookout for moose and bear.

Though not commonly seen, this is grizzly habitat so be prepared with smart food storage practices & bear spray.

En route to Alaska Basin, the trail climbs steeply at times onto a series of benches. As you get into the Basin, you'll come upon incredible alpine lakes & waterfalls over ancient white granite. The trail is entirely doable, but you'll likely want to adopt a mellow pace to take in the flora, hydrology & geology that makes this area feel so unique.

Above Alaska Basin, you'll encounter the stunning Buck Mountain Pass, with its namesake looming high above you to the northeast. The trail is very well maintained, but expect some stimulating exposure & rocky terrain.

Contacts

Shared By:

Jason Smith with improvements by Osmel Estrada

Trail Ratings

  5.0 from 7 votes

#5

in West

#346

Overall
  5.0 from 7 votes
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Trail Rankings

#5

in West

#14

in Wyoming

#346

Overall
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3,611 Since Aug 10, 2015
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Photos

Glowing rocks at sunset in the incomparable Alaska Basin.
Jul 22, 2019 near Moose W…, WY
A crossing of Teton Creek with Buck Mountain towering ahead.
Oct 18, 2020 near Moose W…, WY
Looking to the North towards the Teton Canyon Campground.
Jun 18, 2018 near Alta, WY
Lots of waterfalls and a few patches of snow still there in Mid-June.
Jun 18, 2018 near Alta, WY
Wildflowers in bloom along the Devil's Staircase in the Alaska Basin.
Jul 10, 2016 near Alta, WY
The trail through a field of wildflowers on the South Teton Trail.
Aug 30, 2017 near Alta, WY

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Check-Ins

Aug 29, 2017
Tomsen Reed
Ran up to the Devil's Stairs and then up the stairs to the shelf. Beautiful run with lots of wildflowers and great views of the Tetons once you get up 8mi
Sep 12, 2015
Steph Hs