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1989 Map of Pilot Peak

Name: 1989 Topographic Map of Pilot Peak
Creator: U.S. Geological Survey
Published: 1989
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1989

About this map

Pilot Peak and Index Peak dominate the northeastern corner of this 1989 survey, where the borders of the North Absaroka Wilderness and Yellowstone National Park converge within the Shoshone National Forest. This high-altitude landscape is characterized by its complex drainage systems, with Republic Creek and Hayden Creek carving paths through steep topography. The map illustrates a primitive transportation network, where a Pack Trail provides the primary means of navigating the high country near Republic Pass.

The presence of naming conventions like Amphitheater Mountain and Ram Pasture reflects the region's character as a frontier for backcountry exploration and high-elevation grazing. In the western reaches, Guitar Lake sits below the peaks, feeding into the headwaters of Cache Creek. This map captures the area as it was managed in the late 1980s, serving as a record of the strictly defined Wilderness Boundary and the natural watersheds that define the Park County high country.