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2013 Map of Sinker Butte

Name: 2013 Topographic Map of Sinker Butte
Creator: U.S. Geological Survey
Published: 2013
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2013

About this map

The Snake River carves a deep canyon through the high desert of southwest Idaho, defining the border between Owyhee and Ada counties. This landscape is dominated by the volcanic forms of Sinker Butte and Sinker Creek Butte, rising above the broad expanse of Murphy Flat. Historically significant transit routes intersect this terrain, with the Oregon Trl and the Emigrant Trl tracing the paths of early western migration across the plateau.

Settlement is sparse and concentrated near water sources, featuring family-held locations such as Gabica Ranch and Montini Ranch along the course of Sinker Creek. To the north, the river is anchored by the landmark of Swan Falls, while isolated sites like Jacob Reuben Graves appear further south. Modern access is provided by unpaved local roads including Warrick Rd and Tyson Rd, which navigate the township and range lines established by the Bureau of Land Management.