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1966 Map of Illabot Peaks

Name: 1966 Topographic Map of Illabot Peaks
Creator: U.S. Geological Survey
Published: 1968
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1968

About this map

Mt Baker National Forest dominates this mid-1960s terrain, where the high alpine environment of the North Cascades is mapped in meticulous detail. The landscape is defined by the soaring heights of Illabot Peaks and Suiattle Mountain, providing a clear look at the drainage patterns of Illabot Creek and its many tributaries like Iron Creek and Bluebell Creek. This survey was conducted just as access to the high country was being formalized through corridors like the Illabot Peaks Road and the Rockport Cascade Road.

A remarkable concentration of high-elevation lakes characterizes the eastern portion of the sheet. Researchers can trace the placement of Lake Louise and Lake Tupso near the peaks, as well as the tiered waters of Upper Falls Lake and Falls Lake. Further south, the map identifies Bettys Pass, a critical topographic notch between the primary ridges. These named summits and water bodies serve as vital markers for understanding the historical land use and recreational development within the Skagit County wilderness during the post-war era.