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2020 Map of Mount Jackson

Name: 2020 Topographic Map of Mount Jackson
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Glacier National Park defines this landscape within the Continental Divide, showcasing a high-altitude wilderness shaped by massive ice fields and steep drainages. The towering Mt Jackson and Mt Logan stand as sentinels over the Jackson Glacier and Logan Glacier, marking a terrain where water transitions from ice to the headwaters of the Saint Mary River. This 2020 survey records the contemporary state of these glaciers, providing a baseline for studying ice recession alongside permanent features like Siksika Falls.

Travel through this area is governed by the natural topography, with Gunsight Pass serving as a vital notch between the peaks for those moving past Gunsight Lake. The map reveals a complex network of alpine hydrology, where Harrison Cr, Nyack Creek, and Thompson Cr carry meltwater through deeply carved valleys. The boundary between Glacier Co and Flathead Co runs directly through these summits, following the highest ridges of the Lewis Range.