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2017 Map of Onion Mountain

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

USGS Topo · Published 2017

About this map

Onion Mountain dominates the western half of this Josephine County terrain, where the steep canyons of the Siskiyou National Forest are carved by an intricate network of creeks and gulches. The landscape is defined by the drainage systems of Taylor Creek and Slate Creek, flowing through deeply etched valleys toward the Rogue River at the eastern edge. Several seasonal or perennial water sources, such as Onion Spring, Rattlesnake Spring, and Root Spring, indicate the hydrological importance of these high ridges.

While the western portion of the map remains largely inaccessible roadless area, the eastern sections show the encroachment of development and forestry management. A network of Forest Service and BLM routes, including Nat For Dev Rd 2706 and Dutcher Creek Rd, provides access to the timberlands and rural homesteads. Notable landmarks like Taylor Creek Falls and various named gulches, such as Midnight Gulch and Pollard Gulch, provide precise geographical markers for local history researchers.