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2017 Map of Harry Canyon

Name: 2017 Topographic Map of Harry Canyon
Creator: U.S. Geological Survey
Published: 2017
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2017

About this map

The Big Lost River winds through this mountainous section of the Challis National Forest, defining a landscape of deep drainages and high ridges. The eastern face of the White Knob Mountains dominates the central terrain, where elevations drop sharply into features like Wildcat Canyon and Harry Canyon. This 2017 survey reflects a remote region structured by backcountry access, with the Copper Basin Road - FR 135 and Wildhorse Road - FR 136 providing the primary routes through the valley floors.

Evidence of ranching and specialized aviation appears at the Star 'S' Ranch Airport and Twin Bridges Airport, indicating how these high-altitude basins are utilized despite their isolation. High points like the Wildhorse Lookout offer significant landmarks for those studying the fire management and topographical history of Custer County. The map also detail numerous seasonal drainages such as Twin Bridges Cr and Banana Gulch, essential for understanding the local hydrology and land use patterns.