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1969 Map of Martin Peak

Name: 1969 Topographic Map of Martin Peak
Creator: U.S. Geological Survey
Published: 1980
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1980

About this map

Sawtooth Ridge forms a high-altitude spine through this alpine landscape, marking the rugged boundary between the Okanogan National Forest and Wenatchee National Forest. Based on 1967 aerial photography and field-checked in 1969, the survey documents a complex network of high-country drainage and glacially carved basins. To the west, the headwaters of Prince Creek and its branches flow toward the Columbia River watershed, while the eastern slopes feed the Libby Creek and Gold Creek systems.

A series of high-elevation tarns including Libby Lake, Boiling Lake, and the Martin Lakes are connected by a primary Pack Trail that traverses difficult passes like Hoodoo Pass and Horsehead Pass. The map also captures several prominent landmarks of the North Cascades, including the summit of Martin Peak and the unique glacial features of Merchants Basin and Horsethief Basin, providing a detailed view of the terrain before modern recreation-focused infrastructure became widespread.