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2020 Map of Polallie Ridge

Name: 2020 Topographic Map of Polallie Ridge
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Wenatchee National Forest encompasses this high-elevation landscape, where the Pacific Crest National Scenic Trail winds through the western reaches near Escondido Lake and Pete Lake. The area is defined by sharp topographic relief, punctuated by landmarks such as Island Mtn, Chikamin Ridge, and the namesake Polallie Ridge. Hydrology plays a central role in the terrain's character, with the Cooper River feeding into Cooper Lake, which serves as a focal point for recreation at the Owhi Campground.

Further south, the map details the headwaters of Kachess Lake and Little Kachess Lake, separated from the northern basins by No Name Ridge and Kachess Ridge. The drainage patterns of Tired Creek, Spinola Cr, and the Waptus River illustrate the complex watershed systems that have shaped this portion of the Cascades, providing essential context for understanding the region's wilderness management and early trail networks.