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2020 Map of South Putnam Mountain

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

USGS Topo · Published 2020

About this map

Mt Putnam and South Putnam Mtn anchor the high elevations of the Portneuf Range in this section of Bannock and Caribou Counties. The landscape is defined by the steep drainage systems of the Caribou National Forest, where numerous creeks including Ross Fork, Thirty Day Cr, and Mcnabe Creek carve through the mountain terrain. In the northwest, The Narrows marks a distinctive topographical pinch point along the upper Ross Fork valley.

Transportation in these uplands is restricted to rugged corridors like Jeff Cabin Rd and W McNabb Rd, reflecting the area's primary use for forest management and watershed protection. The map detail highlights the complex hydrology of the region, from the Smoke Lateral and S Fork Ross Fork in the west to the Buckskin Basin and Middle Fork Toponce Cr in the southeast, providing a clear picture of the natural water distribution in this high-altitude Idaho wilderness.