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1979 Map of Trinity Mtn

Name: 1979 Topographic Map of Trinity Mtn
Creator: U.S. Geological Survey
Published: 1980
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1980

About this map

Trinity Mtn and North Trinity Mtn anchor this high-elevation landscape along the border of Humboldt and Trinity Counties. The terrain is characterized by a dense network of ridges and watercourses within the Six Rivers National Forest, including the prominent Devils Backbone and the winding Horse Linto Creek. This late-1970s survey captures a wilderness interface where the Salmon-Trinity Alps Primitive Area meets managed forest lands, marked by an indefinite boundary.

Remote outposts such as Onemile Camp, Lipps Camp, and Grizzly Camp are accessible only by a system of pack trails and jeep tracks, indicating the area's continued use for backcountry navigation and forest service operations. Distinctive hydrological features like Red Cap Hole, the Water Dog Lakes, and Bell Swamps suggest a varied alpine environment of rocky summits and high-basin wetlands. For those tracing historical land use, the map details the specific path of the Virgin Trail and family-named landmarks like Bret Hole and Lipps Camp Spring.