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2011 Map of Ahern Pass

Name: 2011 Topographic Map of Ahern Pass
Creator: U.S. Geological Survey
Published: 2011
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2011

About this map

Going To The Sun Rd winds through the southern edge of this high-elevation quadrangle, passing through landmark points like The Loop and Crystal Point. This 2011 topographic study records a landscape dominated by permanent ice and vertical relief, where Shepard Glacier, Chaney Glacier, and Ipasha Glacier feed the headwaters of the Mokowanis River and Mineral Creek. The mapping of the Continental Divide here is critical for understanding the hydrological split between the Belly River drainage and the western slopes.

Remote outposts and transit points for backcountry travelers are precisely located, including the Fifty Mountain Shelter Cabin in the northwest and Granite Park further south. High-altitude crossings such as Ahern Pass and Swiftcurrent Pass connect the deep glacial valleys. The map preserves the names of numerous falls, including Atsina Falls and Paiota Falls, illustrating the complex drainage patterns created by the meltwater from peaks like Mount Kipp and Mount Merritt.