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2023 Map of Yost

Name: 2023 Topographic Map of Yost
Creator: U.S. Geological Survey
Published: 2023
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2023

About this map

Yost sits at the northern edge of the Raft River Mountains on this borderland survey where Utah meets Idaho. The settlement is positioned in the Upper Raft River Valley, a landscape defined by high-elevation drainages such as George Creek and Johnson Creek. To the south, the terrain rises sharply into the Sawtooth National Forest, reaching the heights of Mahogany Peaks and the prominence of Bally Mountain.

This modern mapping shows the intersection of ranching infrastructure and protected wilderness, notably where the Bally Mountain Trl and Callahan Trl provide access to the timbered slopes. The drainage network is particularly intricate here, with many named sources like Callahan Spring and Mahogany Spring feeding the forks of the river system. The presence of Limekiln Hollow and Browns Canyon suggests a long history of local land use, from lime production to mountain grazing, concentrated near the small community of Yost-Gem.