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1968 Map of Oss Peak

Name: 1968 Topographic Map of Oss Peak
Creator: U.S. Geological Survey
Published: 1981
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1981

About this map

Oss Peak and the high ridges of the North Cascades define this landscape where the Okanogan National Forest meets the Wenatchee National Forest. The map documents a rugged timber and backcountry region during the late 1960s, marked by a network of specialized infrastructure such as the Grade Aqueduct and Siphon systems near Mitchell Creek. Water sources like Alder Spring and Poison Springs are critical landmarks in this high-elevation terrain.

Transportation is limited to primitive routes like Gold Creek Road and the Cooper Mtn Road, alongside various pack and jeep trails. Recreational and seasonal outposts such as the Poison Creek Campground, Camp Four, and Dutch Harbor on the banks of Lake Chelan provide evidence of the area's human footprint. The survey also captures specific landmarks like Ski Peak and Sawtooth Ridge, which follow the boundary between Okanogan Co and Chelan Co.