Loading map...

2017 Map of Lyman Pass

Name: 2017 Topographic Map of Lyman Pass
Creator: U.S. Geological Survey
Published: 2017
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2017

About this map

Sawtooth National Forest dominates the high-elevation landscape of this Cassia County quadrangle, where sharp relief and narrow drainages define the topography. The terrain is centered around the prominent Middle Mountain and the strategic Lyman Pass, which provides a crossing between eastern and western slopes. The map reveals a complex network of seasonal watercourses, including the north-flowing Birch Cr and the southern reaches of Cottonwood Cr, which carve through the high country into Junction Valley.

Surface transportation is largely confined to established corridors like Birch Creek Rd and Emery Canyon Rd, tracing the paths of least resistance through Emery Canyon. For researchers and historians, the map documents the intricate hydrology of the area, featuring named points such as Slide Spring and several small tributaries including Blue Hill Cr and Junction Cr. This detailed 2017 survey serves as a modern baseline for understanding the land use and watershed patterns within the National Forest boundaries.