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2021 Map of Lewis Falls

Name: 2021 Topographic Map of Lewis Falls
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

Yellowstone National Park is defined here by the high-elevation hydrology of the Continental Divide, where the headwaters of major river systems begin their descent. The map centers on the massive expanse of Shoshone Lake and the smaller Lewis Lake to the southeast, connected by the Lewis River Channel Trl. This landscape is a critical nexus for backcountry travel, as the Continental Divide National Scenic Trl winds through the central terrain, crossing over from the Moose Cr drainage.

The presence of the Snake River Headwaters Wild and Scenic River designation highlights the protected status of these northern Rockies waterways. While the South Entrance Road provides vehicle access along the southeastern edge, much of the quadrangle remains accessible only by foot, with primitive routes like the North Shore Shoshone Lake Trl skirting the Cement Hills and the rugged slopes of the Red Mountains.