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1972 Map of Grandjean

Name: 1972 Topographic Map of Grandjean
Creator: U.S. Geological Survey
Published: 1985
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1985

About this map

Grandjean serves as a central point of activity along the South Fork Payette River in this 1970s topographical survey of the Sawtooth Range. The landscape is dominated by the convergence of several major drainages, including Bear Creek, Canyon Creek, and Elk Creek, which carve through the intersection of the Boise and Challis National Forests. This era captures the area just as the Sawtooth National Recreation Area and Sawtooth Wilderness were establishing their modern footprints.

Local landmarks such as Sacajawea Hot Springs and the Forest Service Station indicate the region's importance for early backcountry management and recreation. High-altitude features like Mt Zumwalt and the isolated Zumwalt Lake overlook a network of traditional routes, including a marked Pack Trail that follows the rugged river valleys. The map also delineates the high ridgeline boundary separating Boise and Custer Counties.