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1958 Map of Isolation Peak

Name: 1958 Topographic Map of Isolation Peak
Creator: U.S. Geological Survey
Published: 1967
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1967

About this map

Rocky Mountain National Park and the adjacent Roosevelt National Forest meet at the Continental Divide, creating a landscape defined by high-altitude glacial features and dramatic peaks. The eastern slope features the Wild Basin, where numerous subalpine lakes such as Thunder Lake and Bluebird Lake feed the St. Vrain Creek system. On the western side, the East Inlet Trail provides access to a chain of remote water bodies including Lake Verna, Spirit Lake, and Fifth Lake.

Evidence of historical backcountry management and early mountaineering is visible through the presence of the Patrol Cabin near Thunder Lake and the Crawford Cabin in Hell Canyon. The map documents high-elevation crossings like Boulder-Grand Pass and Buchanan Pass, alongside prominent geological features such as the Moomaw Glacier and The Cleaver. Significant peaks like Isolation Peak and Mt. Alice anchor the crest of the divide, illustrating the complex topography of the Colorado Front Range in the late 1950s.