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2020 Map of Mount Ashland

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

USGS Topo · Published 2020

About this map

Mt Ashland and the Siskiyou Divide anchor this high-elevation terrain where the Rogue River National Forest meets the Klamath National Forest. This 2020 survey records the intricate network of seasonal routes, including the Pacific Crest National Scenic Trail and numerous nordic snow trails like Grouse Gap Nordic (Snow) and Bull Gap-Nordic (Snow). The topography is defined by significant ridges and water gaps, such as Winburn Ridge and Grouse Creek Gap.

Cultural landmarks are concentrated along the winding Colestine Rd, where the small settlement of Colestin and Cole Spring are located near the California border. The map details the transition from the steep slopes of the Siskiyou Mountains down to alluvial features like Virgin Flat and Mudusa Flat. Numerous small drainages, including Cottonwood Cr and Neil Cr, carve through the landscape, illustrating the complex hydrology of the interstate border region.