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1969 Map of Castile Falls

Name: 1969 Topographic Map of Castile Falls
Creator: U.S. Geological Survey
Published: 1973
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1973

About this map

The Pacific Crest National Scenic Trail winds through this high-altitude landscape along the border of Mt Baker National Forest and Okanogan National Forest. This 1969 field-checked survey reveals the complex drainages of the Pasayten Wilderness, where the International Boundary between the United States and Canada is defined by the high ridges and deep valleys of the Cascades. Notable landmarks like the Devils Stairway and Mountain Home Camp indicate the established backcountry routes used by hikers and foresters during this era.

Water systems dominate the topography, with Three Fools Creek and its tributaries, Skull and Trouble Creek, carving through the southern reaches. High-elevation features such as Hopkins Lake and Coney Basin are surrounded by significant summits including Castle Peak, Mt Winthrop, and Blizzard Peak. The presence of the Boundary Trail and various pack routes highlights the region's managed accessibility before the turn of the decade.