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2021 Map of Lamar Canyon

Name: 2021 Topographic Map of Lamar Canyon
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 reveals its complex northern terrain within this recent survey, centered on the dramatic geological interface of the Absaroka Range and the Buffalo Plateau. The drainage patterns are clearly defined, showing how Slough Creek and the Lamar River converge near the narrow constriction of Lamar Canyon. This area serves as a critical corridor for wildlife and backcountry travel, with the NE Entrance Road providing the primary transit route through the wide Lamar Valley.

Backcountry access is mapped through an extensive network of traditional routes, including the Specimen Ridge Trl and Buffalo Fork Trl, which navigate the high-elevation divide. The southwestern corner of the sheet captures a portion of the Grand Canyon of the Yellowstone, illustrating the sharp descent from the ridge-line toward the river below. The map also delineates the state boundary where the park extends toward Montana to the north.