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1982 Map of Yellowstone National Park South

Name: 1982 Topographic Map of Yellowstone National Park South
Creator: U.S. Geological Survey
Published: 1983
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1983

About this map

Yellowstone Lake dominates the upper half of this 1980s landscape, serving as the central hydrological hub for a region defined by the Continental Divide. The map details the complex shoreline of the South Arm and Southeast Arm, including isolated features like Peale Island and the Molly Islands. This period shows established visitor infrastructure at Grant Village and the West Thumb geothermal area, connected by a road system that skirts Lewis Lake.

To the south, the headwaters of the Snake River and the Yellowstone River emerge from high plateaus and wilderness areas. The inclusion of the Teton Wilderness and portions of the Targhee National Forest highlights the protected status of these lands, where major backcountry routes like the Thorofare Trail and Snake River Trail provide the only access through the Pitchstone Plateau and Falls River Basin.