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2011 Map of Reas Pass

Name: 2011 Topographic Map of Reas Pass
Creator: U.S. Geological Survey
Published: 2011
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2011

About this map

The South Fork Madison River winds through this high-country landscape on the Montana-Idaho border, a region defined by its complex network of watercourses and forest service access. Near the northeastern corner, Whitmans Cabin sits as a lonely landmark among the timbered slopes, while the high vantage of Big Springs Lookout provides a key point of reference to the southwest. The terrain is deeply incised by drainages such as Mosquito Gulch, Black Bear Canyon, and Dry Canyon, all of which feed the river system.

Transportation through this high-elevation terrain relies on a grid of forest service routes, including the S Fork Rd and USFS Rd 068, which navigate the broad Moose Creek Plateau and the namesake Reas Pass. The prominence of named creeks like Thirsty Creek and Reas Pass Creek highlights the drainage patterns essential for backcountry navigation and modern forest management during the early twenty-first century.